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Wikidata:Database reports/Complex constraints

From Wikidata

This is a list of complex constraints. See also Wikidata:Database reports/Complex constraint violations

Last update: 2025-12-10. row template

Entity Title Description Violations Time Errors
Russia (Q159) Russia is used as nationality for people dead before 1991-12-25 Items with country of citizenship (P27) equal to Russia (Q159) and date of death (P570) before 1991-12-25 78 8.42 s
Russia (Q159) Russia is used as born place qualifier value for people born before 1991-12-25 Items with country (P17) qualifier of place of birth (P19) equal to Russia (Q159) and date of birth (P569) before 1991-12-25 0 0.09 s
Russia (Q159) Russia is used as death place qualifier value for people dead before 1991-12-25 Items with country (P17) qualifier of place of death (P20) equal to Russia (Q159) and date of death (P570) before 1991-12-25 0 0.06 s
literary character (Q3658341) Literary character with no other instance of statement Instances of literary character (Q3658341) should have at least one additional instance of (P31) statement (e.g. fictional human (Q15632617)). 1529 0.56 s
Poland (Q36) Poland is used as nationality for people dead before 1918-11-11 Items with country of citizenship (P27) equal to Poland (Q36) and date of death (P570) before 1918-11-11 2006 3.53 s
Poland (Q36) Poland is used as death place qualifier value for people dead before 1918-11-11 Items with country (P17) qualifier of place of death (P20) equal to Poland (Q36) and date of death (P570) before 1918-11-11 0 0.13 s
Poland (Q36) Poland is used as death place qualifier value for people dead after 1918-11-11 Items with country (P17) qualifier of place of death (P20) equal to Poland (Q36) and date of death (P570) after 1918-11-11 0 0.08 s
Soviet Union (Q15180) USSR is used as nationality for people dead before 1922-12-30 Items with country of citizenship (P27) equal to Soviet Union (Q15180) and date of death (P570) before 1922-12-30 44 7.42 s
Soviet Union (Q15180) USSR is used as nationality for people born after 1991-12-26 Items with country of citizenship (P27) equal to Soviet Union (Q15180) and date of death (P570) after 1991-12-26 9 13.44 s
Soviet Union (Q15180) USSR is used as born place qualifier value for people born before 1922-12-30 Items with country (P17) qualifier of place of birth (P19) equal to Soviet Union (Q15180) and date of birth (P569) before 1922-12-30 0 0.07 s
Soviet Union (Q15180) USSR is used as death place qualifier value for people dead before 1922-12-30 Items with country (P17) qualifier of place of death (P20) equal to Soviet Union (Q15180) and date of death (P570) before 1922-12-30 0 0.09 s
Soviet Union (Q15180) USSR is used as born place qualifier value for people born after 1991-12-26 Items with country (P17) qualifier of place of birth (P19) equal to Soviet Union (Q15180) and date of birth (P569) after 1991-12-26 0 0.10 s
Soviet Union (Q15180) USSR is used as death place qualifier value for people dead after 1991-12-26 Items with country (P17) qualifier of place of death (P20) equal to Soviet Union (Q15180) and date of death (P570) after 1991-12-26 0 0.08 s
Russian Empire (Q34266) Russian Empire is used as nationality for people dead before 1721-10-22 Items with country of citizenship (P27) equal to Russian Empire (Q34266) and date of death (P570) before 1721-10-22 23 3.55 s
Russian Empire (Q34266) Russian Empire is used as nationality for people born after 1917-09-14 Items with country of citizenship (P27) equal to Russian Empire (Q34266) and date of death (P570) after 1917-09-14 56 2.71 s
Russian Empire (Q34266) Russian Empire is used as born place qualifier value for people born before 1721-10-22 Items with country (P17) qualifier of place of birth (P19) equal to Russian Empire (Q34266) and date of birth (P569) before 1721-10-22 0 0.07 s
Russian Empire (Q34266) Russian Empire is used as death place qualifier value for people dead before 1721-10-22 Items with country (P17) qualifier of place of death (P20) equal to Russian Empire (Q34266) and date of death (P570) before 1721-10-22 0 0.44 s
Russian Empire (Q34266) Russian Empire is used as born place qualifier value for people born after 1917-09-14 Items with country (P17) qualifier of place of birth (P19) equal to Russian Empire (Q34266) and date of birth (P569) after 1917-09-14 0 0.14 s
Russian Empire (Q34266) Russian Empire is used as death place qualifier value for people dead after 1917-09-14 Items with country (P17) qualifier of place of death (P20) equal to Russian Empire (Q34266) and date of death (P570) after 1917-09-14 0 0.20 s
Austria (Q40) Austria is the citizenship of those who died before 1918 Items with country of citizenship (P27) equal to Austria (Q40) and date of death (P570) before 1918-11-12 140 1.97 s
Ukraine (Q212) Ukraina is used as nationality for people dead before 1991-08-24 Items with country of citizenship (P27) equal to Ukraine (Q212) and date of death (P570) before 1991-08-24 468 4.14 s
Ukraine (Q212) Ukraina is used as born place qualifier value for people born before 1991-08-24 Items with country (P17) qualifier of place of birth (P19) equal to Ukraine (Q212) and date of birth (P569) before 1991-08-24 0 0.05 s
Ukraine (Q212) Ukraina is used as death place qualifier value for people dead before 1991-08-24 Items with country (P17) qualifier of place of death (P20) equal to Ukraine (Q212) and date of death (P570) before 1991-08-24 0 0.06 s
Czech Republic (Q213) The Czech Republic is used as country of citizenship for people dead before 1969-01-01 Items with country of citizenship (P27) equal to Czech Republic (Q213) and date of death (P570) before 1969-01-01 2 0.93 s
Russian Socialist Federative Soviet Republic (Q2305208) RSFSR is used as nationality for people dead before 1917-11-07 Items with country of citizenship (P27) equal to Russian Socialist Federative Soviet Republic (Q2305208) and date of death (P570) before 1917-11-07 3 0.40 s
Russian Socialist Federative Soviet Republic (Q2305208) RSFSR is used as nationality for people born after 1922-12-26 Items with country of citizenship (P27) equal to Russian Socialist Federative Soviet Republic (Q2305208) and date of death (P570) after 1922-12-26 17 0.15 s
Russian Socialist Federative Soviet Republic (Q2305208) RSFSR is used as born place qualifier value for people born before 1917-11-07 Items with country (P17) qualifier of place of birth (P19) equal to Russian Socialist Federative Soviet Republic (Q2305208) and date of birth (P569) before 1917-11-07 0 0.16 s
Russian Socialist Federative Soviet Republic (Q2305208) RSFSR is used as death place qualifier value for people dead before 1917-11-07 Items with country (P17) qualifier of place of death (P20) equal to Russian Socialist Federative Soviet Republic (Q2305208) and date of death (P570) before 1917-11-07 0 0.05 s
Russian Socialist Federative Soviet Republic (Q2305208) RSFSR is used as born place qualifier value for people born after 1922-12-26 Items with country (P17) qualifier of place of birth (P19) equal to Russian Socialist Federative Soviet Republic (Q2305208) and date of birth (P569) after 1922-12-26 0 0.05 s
Russian Socialist Federative Soviet Republic (Q2305208) RSFSR is used as death place qualifier value for people dead after 1922-12-26 Items with country (P17) qualifier of place of death (P20) equal to Russian Socialist Federative Soviet Republic (Q2305208) and date of death (P570) after 1922-12-26 0 0.07 s
Catalan countries (Q234963) Municipis sense l'article de la Viquipèdia enllaçat Formentera no cal arreglar-ho, perquè l'article sobre l'illa ja inclou el municipi. 1 14.17 s
Catalan countries (Q234963) Municipis sense província (none) 67 1.38 s
Catalan countries (Q234963) Municipis amb més d'una província (none) 0 7.54 s
individual entity (Q23958946) Individuals with instances and/or subclasses Individuals with items which are instances (P31) or subclasses (P279) of it. 29 0.15 s
Czechoslovakia (Q33946) Czechoslovakia is used as country of citizenship for people dead before 1918-10-28 Items with country of citizenship (P27) equal to Czechoslovakia (Q33946) and date of death (P570) before 1918-10-28 2 1.70 s
Czechoslovakia (Q33946) Czechoslovakia is used as country of citizenship for people born after 1993-01-01 Items with country of citizenship (P27) equal to Czechoslovakia (Q33946) and date of birth (P569) after 1918-10-28 0 8.51 s
Budapest (Q1781) Budapest is used as birth place for people born before 1873 Items with place of birth (P19) equal to Budapest (Q1781) and date of birth (P569) before 1873-01-01 78 1.44 s
Budapest (Q1781) Budapest is used as work location for people died before 1873 Items with work location (P937) equal to Budapest (Q1781) and date of death (P570) before 1873-01-01 2 0.20 s
Budapest (Q1781) Budapest is used as death location for people died before 1873 Items with place of death (P20) equal to Budapest (Q1781) and date of death (P570) after 1873-01-01 12 1.52 s
Kingdom of Hungary (Q171150) Kingdom of Hungary is used as country of citizenshp for people born after 1946-02-01 Items with country of citizenship (P27) equal to Kingdom of Hungary (Q171150) and date of birth (P569) before 1946-02-01 0 0.24 s
Third Hungarian Republic (Q718422) Q718422 is used as nationality Items with country of citizenship (P27) equal to Third Hungarian Republic (Q718422) 0 0.07 s
akciová společnost (Q3742494) Companies having akciová společnost as legal form and not having country Czech Republic or Czechoslovakia (none) 8 0.35 s
municipality of Catalonia (Q33146843) Municipis sense comarca (none) 0 0.27 s
municipality of Catalonia (Q33146843) Municipis sense àmbit territorial (none) 0 0.49 s
municipality of Catalonia (Q33146843) Municipis amb més d'un àmbit territorial (none) 0 6.41 s
Q31074657 Cims actuals sense URL (none) 0 0.11 s
Q31074657 URL incorrecta (none) 0 0.10 s
Q31074657 Cims que comparteixen una mateixa URL (none) 0 0.12 s
Q31074657 Cims amb més d'una URL (none) 0 0.14 s
Q31074657 Cims sense etiqueta (none) 0 0.11 s
Q31074657 Etiquetes amb parèntesis o majúscules que no toquen (none) 0 0.52 s
Q31074657 Àlies amb majúscules que no toquen (none) 0 0.08 s
Q31074657 Cims que no són muntanyes Han de tenir també una referència als 100 cims. El Croscat n'és una excepció. 3 0.22 s
Q31074657 Cims sense estat Si l'estat és Andorra, ha d'estar referenciat 0 0.58 s
Q31074657 Cims no localitzats a Catalunya ni Andorra Puigpedrós i Vallhiberna són excepcions: Puigpedrós és molt a prop de la frontera catalana, però és a Foix. Vallhiberna és a la Franja. 1 0.75 s
Q31074657 Cims sense coordenades referenciades (none) 0 0.15 s
Q31074657 Cims amb més d'un parell de coordenades (none) 0 0.20 s
Q31074657 Cims sense altitud referenciada (none) 7 0.15 s
Q31074657 Cims amb més d'una altitud (none) 0 0.09 s
Q31074657 Cims amb valors importats que ja estan referenciats (none) 0 0.14 s
Mosonmagyaróvár (Q207406) Mosonmagyaróvár is used as birth place for people born before 1939-07-01 Items with place of birth (P19) equal to Mosonmagyaróvár (Q207406) and date of birth (P569) before 1939-07-01 0 0.05 s
Mosonmagyaróvár (Q207406) Mosonmagyaróvár is used as death location for people died before 1939-07-01 Items with work location (P937) equal to Mosonmagyaróvár (Q207406) and date of death (P570) before 1939-07-01 1 0.17 s
Romania (Q218) Romania is the citizenship of those who died before 1877 Items with country of citizenship (P27) equal to Romania (Q218) and date of death (P570) before 1877-01-01 56 1.11 s
act of the Parliament of Denmark (Q113627831) "Item legal citation of this text (P1031)" violations items must have legal citation of this text (P1031) statement 37 0.16 s
film character (Q15773347) Film character with no other instance of statement Instances of film character (Q15773347) should have at least one additional instance of (P31) statement (e.g. fictional human (Q15632617)). 920 0.60 s
television character (Q15773317) Television character with no other instance of statement Instances of television character (Q15773317) should have at least one additional instance of (P31) statement (e.g. fictional human (Q15632617)). 1016 3.49 s
video game character (Q1569167) Video game character with no other instance of statement Instances of video game character (Q1569167) should have at least one additional instance of (P31) statement (e.g. fictional human (Q15632617)). 878 0.56 s
country of citizenship (P27) Value "Dominica" and place of birth in the "Dominican Republic" Possible, but likely an error. TODO: double-check, then add a reference to the P27 statement or fix P27=Dominica (Q784) -> Dominican Republic (Q786) 0 0.47 s
country of citizenship (P27) Value "Niger" and place of birth in "Nigeria" Possible, but likely an error. TODO: double-check, then add a reference to the P27 statement or fix P27=Niger (Q1032) -> Nigeria (Q1033) 14 10.87 s
country of citizenship (P27) Value "Guinea" and place of birth in "Guinea-Bissau" Possible, but likely an error. TODO: double-check, then add a reference to the P27 statement or fix P27=Guinea (Q1006) -> Guinea-Bissau (Q1007) 2 0.72 s
country of citizenship (P27) Value "Guinea" and place of birth in "Equatorial Guinea" Possible, but likely an error. TODO: double-check, then add a reference to the P27 statement or fix P27=Guinea (Q1006) -> Equatorial Guinea (Q983) 0 1.61 s
country of citizenship (P27) Value "Sudan" and place of birth in "South Sudan" Possible, but likely an error. TODO: double-check, then add a reference to the P27 statement or fix P27=Sudan (Q1049) -> South Sudan (Q958) 0 0.25 s
country of citizenship (P27) Value "Republic of the Congo" and place of birth in "Democratic Republic of the Congo" Possible, but likely an error. TODO: double-check, then add a reference to the P27 statement or fix P27=Republic of the Congo (Q971) -> Democratic Republic of the Congo (Q974) 15 5.69 s
country of citizenship (P27) Value "Samoa" and place of birth in "American Samoa" Possible, but likely an error. TODO: double-check, then add a reference to the P27 statement or fix P27=Samoa (Q683) -> American Samoa (Q16641) 2 0.22 s
country of citizenship (P27) Missing P27 with value Russia (none) 0 0.05 s
sex or gender (P21) Unsourced notname gender People with instance of (P31) set to notname (Q1747829) with an unsourced sex or gender (P21) set to male (Q6581097) 291 0.18 s
sex or gender (P21) Fictional gender used on humans Humans with sex or gender (P21) set to an instance of fictional sex or gender (Q64017047) 0 0.07 s
position held (P39) Office holders shouldn't end before starting start date should be < end date. If two terms are mixed, separate statements should be made 0 timeout HTTP 504
position held (P39) Use specific office where available Value should be the office of the specific jurisdiction, if available. 0 timeout HTTP 504
position held (P39) Cannot hold a position that was formed after death. Cannot hold a position that was formed after death. Indicates a potential problem with date of death (P570), position held (P39), or position's inception (P571). 3802 38.33 s
position held (P39) Contemporary constraint in 'of' qualifier (none) 0 0.21 s
position held (P39) Check kapellmeister Check chapelmaster (Q215793) 0 0.08 s
family (P53) Items for family names shouldn't also be items for families TODO: split the items 41 0.78 s
family (P53) Value shouldn't be an item for a family name TODO: split the items, use another value/move statement to P734 0 0.05 s
sexual orientation (P91) Claims without source Each P91 claim needs to have at least one (non Wikipedia) source 1061 2.76 s
country (P17) countries should agree: ATE in single country current countries should have best rank, historic or disputed - normal, absolutely wrong - deprecated 0 0.06 s
occupation (P106) Human having received a prize for the directors but not having a statement occupation (P106) director (none) 2 0.23 s
occupation (P106) Human having received a prize for the film editor but not having a statement occupation (P106) film editor (none) 0 0.07 s
occupation (P106) Link to a Wikimedia disambiguation page (none) 190 8.56 s
occupation (P106) Too long time (none) 0 3.26 s
spouse (P26) Born after date of wedding (none) 477 22.84 s
image (P18) Shared images within single item Multiple properties using same image as value 2500 5.17 s
member of sports team (P54) College player with no education details Anyone who was a member of a team which is part of a student activity unit (Q2367225) should also have an educated at (P69) statement. 2231 2.72 s
shares border with (P47) Equal level violation Item is a sovereign state but value is not 85 0.05 s
religion or worldview (P140) Participant of a conclave (papal election) without christian religion information (none) 76 0.17 s
imported from Wikimedia project (P143) Likely incorrect values values with 5+ uses. If there are many, ask for conversion at Wikidata:Bot requests 37 10.08 s
named after (P138) Check start date qualifier (none) 8 47.86 s
named after (P138) Check start date qualifier with baptism date (none) 0 0.40 s
named after (P138) Detect loop of one or two items Loop is strange. Could detect some mistakes. 270 5.88 s
named after (P138) Detect loop of three items (none) 3 4.45 s
ethnic group (P172) Claims without source Each P172 claim needs to have at least one (non Wikipedia) source 25372 28.97 s
parent taxon (P171) parent taxon unsuited for ichnogenus Ichnogenera are defined by the morphology of traces produced by organisms rather than organism morphology and does not involve parent ranks above the binomial nomenclature for ichnotaxa. 232 0.80 s
parent taxon (P171) taxon without parent taxon and rank other than ichnogenus Retains generic constraint requiring a parent taxon on taxon items for items which do not represent ichnogenera. 0 timeout HTTP 504
creator (P170) Creator was not alive when the work was created The birth date of the creator is after the creation date or the death date of the creator is before the creation date. 0 timeout
place of burial (P119) Department of France for value, prefer cemetery or city 236 0.15 s
place of burial (P119) Check important persons (none) 25 0.42 s
place of burial (P119) Check important persons # 2 (none) 176 3.46 s
place of burial (P119) Check important persons # 3 (none) 72 3.05 s
place of burial (P119) Check important persons # 4 (none) 345 2.47 s
place of burial (P119) Check important persons # 5 (none) 497 25.43 s
place of burial (P119) Check important persons # 6 (none) 1611 39.74 s
place of burial (P119) Simple contemporary constraint (none) 0 4.63 s
place of burial (P119) Mistake: Human human (Q5) 4 2.52 s
crosses (P177) Same value in P177 and in P2505 Exception for spiral bridge (Q7577756) items 95 0.90 s
ISNI (P213) no instance of (none) 16 49.97 s
ISNI (P213) instance of a subclass of human this shouldn't exist on any human in WD, but was found on human items having ISNI 2 0.33 s
ISNI (P213) instance of human and having P1476 (title) this shouldn't exist on any human in WD, but was found on human items having ISNI 1 20.39 s
ISNI (P213) instance of human and instance of role this shouldn't exist on any human in WD, but was found on human items having ISNI; maybe move to P2868 subject has role 2 9.68 s
ISNI (P213) instance of human and part of X and member of X this shouldn't exist on any human in WD, but was found on human items having ISNI; maybe remove P463 part of, respect qualifiers 149 26.79 s
ISNI (P213) instance of human and part of X, X instance of educational organization this shouldn't exist on any human in WD, but was found on human items having ISNI; maybe move to P463 member of 1 16.86 s
ISNI (P213) instance of human and part of X, X instance of armed organization this shouldn't exist on any human in WD, but was found on human items having ISNI; maybe move to P463 member of 0 1.30 s
ISNI (P213) instance of human and part of X, X instance of association this shouldn't exist on any human in WD, but was found on human items having ISNI; maybe move to P463 member of 1 1.00 s
ISNI (P213) instance of human and part of X, X instance of social organization this shouldn't exist on any human in WD, but was found on human items having ISNI; maybe move to P463 member of 0 0.90 s
ISNI (P213) instance of human and part of X, X instance of non-profit organization this shouldn't exist on any human in WD, but was found on human items having ISNI; maybe move to P463 member of 2 6.88 s
ISNI (P213) instance of human and part of X, X instance of music organization this shouldn't exist on any human in WD, but was found on human items having ISNI; maybe move to P463 member of 1405 2.81 s
ISNI (P213) instance of organization and having ISSN, ISSN-L and P1476 (title) organization should not have ISSN, ISSN-L, title 3 5.11 s
ISNI (P213) instance of organization and having P1476 (title) organization should not have title P1476 0 timeout HTTP 504
ISNI (P213) instance of role and subclass of role this shouldn't exist anywhere in WD, but was seen on an item having ISNI 13 33.87 s
ISNI (P213) instance of X and direct subclass of X this shouldn't exist anywhere in WD, but was seen on an item having ISNI 2 54.69 s
ISNI (P213) instance of role since humans can assume roles, this should not exist for humans, but for the others (according to ISNI-IA there are is only type:Person and type:Organization) it should be controlled too 1000 21.36 s
ISNI (P213) instance of written work an ISNI-item should not be an instance of written work, but this has been found in WD 0 timeout HTTP 504
award received (P166) Check veteran tree (in France) (none) 0 0.16 s
award received (P166) Check the prize 'Prix du jeune écrivain de langue française' Prize for a 15 to 27 years old person 2 0.06 s
award received (P166) Check the prize 'Prix de Cornulier' Prize for a 4-10 years old horse 0 0.07 s
award received (P166) Check the prize 'Prix du Jockey Club' Prize for a 3+ years old horse 0 0.06 s
depicts (P180) Incorrect usage of preferred rank On Commons the preferred rank for depicts (P180) is (ab)used to indicate prominence. That only applies to Commons and not to Wikidata. 416 55.75 s
part of the series (P179) Items for TV series episodes should have this Add P179 or correct P31. Limited to 500 500 34.73 s
part of the series (P179) Use follows and followed by consistently Use of P155 or P156 pointing to an item that does not use the opposite qualifier pointing back 0 timeout HTTP 504
followed by (P156) Value "first" not allowed If item is first in a series, value type should be "no value", rather than a value of first (Q19269277), which is ambiguous 0 0.04 s
follows (P155) Value "first" not allowed If item is first in a series, value type should be "no value", rather than a value of first (Q19269277), which is ambiguous 0 0.16 s
legislative body (P194) Countries generally have this property Create item for the legislature, add the property or use does not have part (P3113)=legislature (Q11204) on the item. 5 0.13 s
legislative body (P194) First-level administrative divisions generally have this property Create item for the legislature or use does not have part (P3113)=legislature (Q11204) on the item or the subdivision class. Sample: Q1208802#P3113. 200 1.36 s
ISBN-13 (P212) Invalid ISBN-13 ISBN-13 that have wrong checksum 512 14.79 s
ISBN-13 (P212) Publisher does not share ISBN publisher prefix ISBNs contain a publisher prefix that should also be present as a value of ISBN publisher prefix (P3035) on the corresponding publisher (P123) item. 11669 26.67 s
place of birth (P19) Items with P19 = "no value" (P31=Q5) People are all born at some place 10 0.07 s
place of birth (P19) Born in a cemetery Born in a cemetery (Q39614) 22 2.02 s
place of death (P20) Items with P20 = "no value" (P31=Q5) People die somewhere 14 0.10 s
place of death (P20) Dead in jail, with data missing (none) 1 0.25 s
father (P22) People that are both father and mother (none) 155 3.03 s
father (P22) For stepfathers, use "stepparent" use stepparent (P3448) not father (P22) for stepfathers 15 0.10 s
mother (P25) For stepmothers, use "stepparent" use stepparent (P3448) not mother (P25) for stepmothers 8 0.08 s
signature (P109) Signature != logotype Same value in signature (P109) and logo image (P154) 1 0.58 s
signature (P109) Signature without important information about the person Please add more information (occupation (P106), position held (P39), spouse (P26), ...) 40 2.44 s
stated in (P248) Value shouldn't be an item for a date use retrieved (P813) or publication date (P577) instead 41 1.64 s
subclass of (P279) Can't be ?class P279 ?class impossible claim or it should be a separate item 0 4.26 s
subclass of (P279) Property cannot form cycles (size 2) impossible claim or items should be merged — specific to the size 2 cycles as the generic query is too expensive 0 timeout HTTP 504
subclass of (P279) Property cannot form cycles (size 3) impossible claim or items should be merged — specific to the size 3 cycles as the generic query is too expensive. A few could be found initially, maybe it will timeout when those are corrected. 3 47.37 s
subclass of (P279) Physical objects should not be subclasses (1 level) Instances of physical object or its immediate subclasses should not be subclasses of anything 328 1.35 s
subclass of (P279) Physical objects should not be subclasses (2+ levels) Instances of physical object or its subclasses should not be subclasses of anything 0 timeout
head coach (P286) Occupation: tennis trainer (none) 30 0.51 s
GND ID (P227) GND ID - type human should not have GND ID containing - GND ID exists, type is human, GND ID contains - 15 48.67 s
GND ID (P227) GND ID - type human should have sex GND ID exists, type is human, sex missing 1000 2.84 s
GND ID (P227) GND ID - type human should have VIAF GND ID exists, type is human, VIAF missing 1000 39.48 s
GND ID (P227) GND ID - type human should not be instance of a subclass of human GND ID exists, type is human, is instance of a subclass of human 2 0.68 s
postal code (P281) Long postal identifiers postal identifiers having more than 50 chars 79 31.28 s
postal code (P281) Check postal codes in Australia (none) 25 4.31 s
postal code (P281) Check postal codes in New South Wales (none) 18 3.96 s
postal code (P281) Check postal codes in Australian Capital Territory (none) 9 0.14 s
postal code (P281) Check postal codes in Victoria (none) 3 0.36 s
postal code (P281) Check postal codes in Queensland (none) 3 0.95 s
postal code (P281) Check postal codes in South Australia (none) 18 0.46 s
postal code (P281) Check postal codes in Western Australia (none) 0 2.84 s
postal code (P281) Check postal codes in Tasmania (none) 1 0.22 s
postal code (P281) Check postal codes in Northern Territory (none) 2 1.02 s
postal code (P281) Check French postal identifiers in France (none) 400 23.90 s
postal code (P281) Check French postal identifiers of main cities in France Check last digit of main cities (Q956214) postal identifiers in France 17 0.08 s
postal code (P281) Check French postal identifiers of municipal arrondissement in France Check two first digits of municipal arrondissement (Q702842) postal identifiers in France 0 0.06 s
postal code (P281) Check postal codes in Hungary (none) 6 1.26 s
postal code (P281) Check postal codes in Italy (none) 465 10.02 s
postal code (P281) Check postal codes in Japan (none) 598 18.90 s
postal code (P281) Check postal codes in Malaysia (none) 80 1.26 s
postal code (P281) Check postal codes in Netherlands (none) 58 10.01 s
postal code (P281) Check postal codes in New Zealand (none) 11 2.63 s
postal code (P281) Check postal codes in the Philippines (none) 0 1.35 s
postal code (P281) Check postal codes in Switzerland (none) 1 2.62 s
IMDb ID (P345) Unsuitable IMDb identifier for human Person with IMDb identifier but prefix is not nm or ch 85 33.81 s
IMDb ID (P345) TV series episode without IMDB and without link to other episode instance of (P31) -> television series episode (Q21191270), but no IMDb ID (P345) and no link to a previous or next episode 1000 4.02 s
IMDb ID (P345) TV series episode without IMDB and with other episode with link instance of (P31) -> television series episode (Q21191270), but no IMDb ID (P345), but does have a link to a previous or next episode with a IMDb ID (P345) link 1000 11.52 s
IMDb ID (P345) TV series episode without IMDB instance of (P31) -> television series episode (Q21191270), but no IMDb ID (P345), might need to add some filters later 27062 7.59 s
RKDimages ID (P350) Items with more than one RKDimages link Single value constraint, but with painting series (Q15727816) and triptych (Q79218) (and related types) filtered out 327 8.75 s
RKDimages ID (P350) Items to split up Single value constraint and painting series (Q15727816) or triptych (Q79218). New items probably need to be created and some of the id's moved there. 67 0.22 s
RKDimages ID (P350) Items with creator not linked to RKDartists Items that have creator (P170), but that item doesn't have RKDartists ID (P650) and also not said to be the same as (P460). Missing link can probably be added 138 2.16 s
discography (P358) Value label (1: should match regex) fix label or adjust regex for language at Property:P358#P1552: complex constraint value label (Q100884525) 988 35.96 s
discography (P358) Value label (1: languages lacking a regex) determine a regex and add it at Property:P358#P1552: complex constraint value label (Q100884525) 84 7.14 s
discography (P358) Candidates discographies not used as values 806 0.25 s
part of (P361) Non-list part of list Item that is not a Wikimedia list article part of instance of a Wikimedia list article 32858 4.33 s
presenter (P371) Talk shows would generally have this to do: add P371 if applicable 2491 4.70 s
Commons category (P373) Commons sitelinks to be copied to P373 property Items with no P373, but with a category in the Commons sitelink. That category can be saved as P373. 0 timeout HTTP 504
Commons category (P373) Commons sitelinks different from P373 property Items with sitelinks linking to a different category than the property 0 timeout
Commons category (P373) Two category items linking to the same Commons category Generally only one category item should link to a Commons category 1000 3.68 s
Commons category (P373) Commons category sitelink does not match P373 P373 should generally be the same as the sitelink 1000 43.58 s
INSEE municipality code (P374) Inconsistency between the codes Place with postal code prefix indicating a departement but located in another departement. 29 5.35 s
INSEE municipality code (P374) Unique value A value must not be used by multiple entities at the same point in time 1799 1.33 s
located on astronomical body (P376) P376 missing (none) 1 15.80 s
parent astronomical body (P397) Exoplanet name is not the name of the star Check the name of all exoplanet (Q44559) 0 12.37 s
CAS Registry Number (P231) Invalid CAS number Check digit to validate the CAS number (CAS RN), Official documentation 0 timeout HTTP 504
CAS Registry Number (P231) Invalid CAS number, with LIMIT 1 and no regex check. To quick fix the timeout issue. Check digit to validate the CAS number (CAS RN), Official documentation 0 timeout HTTP 504
ISO 3166-2 code (P300) Non-ISO 3166-2 codes for Wales The alternate Welsh codes from BS 6879 are not ISO 3166-2 codes and should be marked as deprecated. 0 0.09 s
operator (P137) Jail operator (none) 49 10.40 s
operator (P137) Operate a railway line (none) 3 0.50 s
operator (P137) Operate a railway line, complex query Work in progress query 434 14.07 s
operator (P137) Operate an embassy (none) 0 2.11 s
operator (P137) Operate an embassy, check value (none) 86 0.57 s
operator (P137) Operate an airport Detect some mistakes 26 29.35 s
language of work or name (P407) conflict with company instances of company (Q783794) should not use this property. Generally, companies don't have a language. 2112 3.62 s
language of work or name (P407) conflict with physico-geographical object instances of physico-geographical object (Q20719696) should not use this property. Generally, physico-geographical objects don't have a language. 344 30.76 s
language of work or name (P407) conflict with administrative territorial entity instances of administrative territorial entity (Q56061) should not use this property. Generally, administrative territorial entities don't have a language. 331 41.80 s
military or police rank (P410) Fictional (none) 3 0.09 s
canonization status (P411) Data missing Please add data about this person. 42 0.78 s
voice type (P412) Without date of birth and sex or gender data (none) 261 1.54 s
position played on team / speciality (P413) Same value in P413 and in P106 (none) 6 40.43 s
IETF language tag (P305) Wikipedia categories categories combining article with other language external link (Q28373483) or article containing other language text (Q28368760) should also have P971 with a language-tag 92 3.75 s
ISSN (P236) Invalid ISSN ISSN that have wrong checksum 0 timeout HTTP 504
Rijksmonument ID (P359) Rijksmonument without ID Items that do have heritage designation (P1435): Rijksmonument (Q916333) (or pre-protected Rijksmonument (Q17698911)), but not this property 226 2.80 s
Rijksmonument ID (P359) Commons sitelink should be moved Items that have Commons category (P373) and a sitelink to Commons, but are part of another item with the same Commons category (P373), but without the sitelink 151 1.14 s
Rijksmonument ID (P359) Rijksmonument not part of complex Items that are part of a complex, but don't have a part of (P361) to the complex 254 0.40 s
Rijksmonument ID (P359) Image no point in time qualifier Rijksmonument has image (P18), but that image has no point in time (P585) qualifier 1000 7.81 s
Mérimée ID (P380) Inconsistency between the identifier and the location Place with identifier prefix indicating a departement but located in another departement. 794 24.27 s
Mérimée ID (P380) Custom single value constraint Monument with two completed inventory records 267 1.84 s
Mérimée ID (P380) Improbable coordinates Monument with coordinates more than 100 km away from the location 6 1.63 s
dantai code (P429) Invalid Dantai Number Dantai Number that have wrong checksum (see [1]) 0 0.25 s
pronunciation audio (P443) Qualifier P407 missing add qualifier 100 25.34 s
pronunciation audio (P443) Qualifier P407 missing (filename starts with code) add qualifier (simple) 100 23.07 s
pronunciation audio (P443) Qualifier P407 missing (LL filename) add qualifier (easy) 100 17.03 s
pronunciation audio (P443) Languages with categories available at Commons, but no item with audio file if applicable, add P443 to an item (e.g. place name pronunciation audio to an item for the place). Based on Property_talk:P7084#Use for pronunciation file categories (Commons) 0 0.22 s
review score (P444) Check values like 3/10 (none) 0 1.88 s
review score by (P447) Strict value for International Congress of Distinguished Awards Value for International Congress of Distinguished Awards (Q58890465), source: http://www.icda.org/directoryofawards/icdaprestigerating.html 97 0.10 s
category's main topic (P301) Value can't be an individual Wikimedia category item. Value of category's main topic (P301) shouldn't be an instance of (P31) Wikimedia category (Q4167836) or any of its subclasses. This can happen as a result of an incorrect merge, or because a category sitelink is linked to a non-category item. In the later case, bots might change that non-category item into a category item. 0 timeout HTTP 504
character role (P453) Missing characters Items with character role (P453) qualifier which are missing the same characters (P674) 12417 3.71 s
character role (P453) Missing character roles Items with characters (P674) and cast member (P161) but without the same character role (P453) qualifier 2135 20.86 s
author (P50) Duplicate between author and short author name at a given position in an authoring list Identical series ordinal (P1545) for both a author (P50) and a author name string (P2093) statement 1248 45.04 s
IMO ship number (P458) Validate IMO-numbers Report ships or shipping lines with incorrect IMO-numbers, found by validating the checksum 410 2.55 s
opposite of (P461) Single-value constraint with class exceptions Modification of the single-value constraint allowing multiple values on items belonging to class point of view (Q12558574), belief system (Q5390013), mental state (Q54989186), or social movement (Q49773). 210 12.23 s
coat of arms image (P94) Too short filename (none) 0 6.80 s
coat of arms image (P94) Same coat of arms and logo The same image is used for coat of arms image (P94) and logo image (P154). Probably one of them is wrong. 656 5.07 s
ISO 3166-1 alpha-2 code (P297) Distinct best value constraint A given value should be used by just one value with best rank (normal rank without another statement in preferred rank or preferred rank) 1 0.08 s
ISO 3166-1 alpha-2 code (P297) Statements with an end date shouldn't have best rank (none) 3 0.11 s
traffic sign (P14) Hungary roads End by 'table.svg' without Hungary (Q28) 0 2.54 s
traffic sign (P14) USA roads USA roads without country (P17) : United States (Q30) 1 2.34 s
traffic sign (P14) French roads (none) 23 3.21 s
traffic sign (P14) EE roads Estonia (Q191) roads 0 2.31 s
traffic sign (P14) AT roads Austria (Q40) roads 0 1.04 s
traffic sign (P14) Check USA images Check if a USA road image is reused on a no-USA road 100 2.05 s
traffic sign (P14) Bundesstraße in Germany German roads Bundesstraße (Q561431) without Bundesstraße (Q561431) 38 0.89 s
traffic sign (P14) EuroVelo without P14 (none) 0 0.06 s
NACSIS-CAT author ID (P271) Invalid NACSIS-CAT ID NACSIS-CAT ID that have wrong checksum (see https://catill.bitbucket.io/CM/furoku2_1.html) 0 timeout HTTP 504
OMIM ID (P492) Modified single value constraint Lists items having more than one value, except if one of the statements has a mapping relation type (P4390) qualifier, see discusion below. Please don't switch on the normal single value0 constraint, use this instead. 308 2.89 s
ORCID iD (P496) People, who died before launching ORCID ORCID launched its registry services and started issuing user identifiers on 16 October 2012. ORCID identifiers for people, who died before 2012 are usually locked or invalid. 198 43.16 s
ISO 639-3 code (P220) Check value (none) 0 0.43 s
HURDAT ID (P502) Check correspondence between the year in the identifier and the year of the event Check when the ID contain the year 0 0.40 s
Union List of Artist Names ID (P245) Probably death People with Union List of Artist Names ID (P245) born before the year 1900, but no date of death (P570) 1000 26.29 s
Union List of Artist Names ID (P245) Missing Library of Congress authority ID People with Union List of Artist Names ID (P245), but no link to Library of Congress authority ID (P244). This is based on a federated query which gets all ULAN entries with a LOC link from the Getty and compares it with the items here that have an ULAN link, but no LOC link. 993 16.73 s
Union List of Artist Names ID (P245) Male according to Wikidata, female according to ULAN People with Union List of Artist Names ID (P245) where sex or gender (P21) is set to male (Q6581097), but the ULAN entry links to http://vocab.getty.edu/aat/30018955 11 13.60 s
Union List of Artist Names ID (P245) Female according to Wikidata, male according to ULAN People with Union List of Artist Names ID (P245) where sex or gender (P21) is set to female (Q6581072), but the ULAN entry links to http://vocab.getty.edu/aat/300189559 219 15.84 s
honorific prefix (P511) Items with an English label starting with "Sir " would generally have this property Add statement with value Sir (Q209690) if applicable 0 timeout HTTP 504
Canadian Register of Historic Places ID (P477) Items with pictures but no Commons Category Items that do have image (P18), but not Commons category (P373) 657 0.38 s
EC number (P232) Validate EC numbers Report incorrect EC numbers, found by validating the checksum 0 1.23 s
has part(s) (P527) relations between instances and classes must use P2670 if a concrete object is made out of classes, has part(s) of the class (P2670) instead of has part(s) (P527) must be used. 0 timeout HTTP 504
has part(s) (P527) Only allow P4184 qualifier when object is a class Only allow slope (P4184) qualifier when either the target object has a subclass of (P279) property or another item points to it using subclass of (P279). 0 0.08 s
InChIKey (P235) Modified unique value constraint Lists items having the same value, except if both statements have mutual tautomer of (P6185) statements, see discussion below. Please don't switch on the normal unique value constraint, use this instead. 1000 15.60 s
date of birth (P569) Wrong calendar People born before 1582 whose birth date is registered using proleptic Gregorian calendar (Q1985727) instead of proleptic Julian calendar (Q1985786). 1000 3.29 s
date of birth (P569) Probably death People born before the year 1900, but no date of death (P570) 1000 0.50 s
date of birth (P569) Items with P569 = "no value" (P31=Q5) People are all born at some point in time 13 0.20 s
date of birth (P569) Probably wrongly used as birthday Use birthday (P3150) for birthday (if full birth year isn't known). 2 2.04 s
date of birth (P569) Double birth date with a mistake on a birth date Diff: 1000 years 1 13.78 s
date of birth (P569) Date must be before now (none) 0 15.54 s
date of birth (P569) Year 0 in Gregorian calendar See also: phab:T94064 4 6.98 s
date of birth (P569) Inverted month/day on items with 2 dates Items with 2 dates, day of the first date = month number of the second date, month of of first = day of the second. To fix, set on to preferred or deprecated rank 10 5.88 s
date of birth (P569) Born after 2100 Fast query: Query in 9 seconds (in 2020) 28 22.78 s
date of birth (P569) Sport: association football (none) 9 11.42 s
date of death (P570) Wrong calendar People died before 1582 whose death date is registered using proleptic Gregorian calendar (Q1985727) instead of proleptic Julian calendar (Q1985786). 1000 2.59 s
date of death (P570) Probably died People born before the year 1900, but no date of death (P570) 1000 0.79 s
date of death (P570) Items with P570 = "no value" (P31=Q5) Most people are not immortal 15 0.12 s
date of death (P570) Check horse longevity (none) 0 0.95 s
date of death (P570) Date must be before now (none) 0 4.79 s
date of death (P570) Inverted month/day on items with 2 dates Items with 2 dates, day of the first date = month number of the second date, month of of first = day of the second. To fix, set on to preferred or deprecated rank 10 16.53 s
date of death (P570) Died after 2100 (none) 3 18.14 s
date of death (P570) Year 0 in Gregorian calendar See also: phab:T94064 1 8.31 s
time of discovery or invention (P575) P575 < P570 (none) 6 12.32 s
time of discovery or invention (P575) Discovered date after died date False positive cases exists 111 11.10 s
start time (P580) Claim ends before its start On the same claim, end time (P582) has earlier value than start time (P580) 0 timeout HTTP 504
participated in conflict (P607) P607 missing (none) 124 0.29 s
UTC date of spacecraft landing (P620) Claims without source Each P620 claim needs to have at least one source 171 0.30 s
coordinate location (P625) Places around the Sahara 50 km around the Sahara 0 0.05 s
coordinate location (P625) Places around the point (0, 0) 50 km around the point (0, 0) 7 0.26 s
coordinate location (P625) Places around the point (0, 0) (300 km) 300 km around the point (0, 0) 11 0.08 s
coordinate location (P625) Non-fictional places on Earth would generally not have "unknown" as coordinates TODO fix or define exceptions 0 14.12 s
coordinate location (P625) Non-fictional places on Earth would generally not have "novalue" as coordinates TODO fix or define exceptions 1000 4.41 s
coordinate location (P625) Coordinates from Earth with ?lon>180 TODO fix or define P376 0 timeout HTTP 504
coordinate location (P625) Coordinates from Earth with ?lat>90 TODO fix or define P376 3 20.77 s
inception (P571) Inverted month/day on items with 2 dates Items with 2 dates, day of the first date = month number of the second date, month of of first = day of the second. To fix, set on to preferred or deprecated rank 14 23.78 s
Quebec cultural heritage directory ID (P633) Items with pictures but no Commons Category Items that do have image (P18), but not Commons category (P373) 331 0.24 s
team captain (P634) All captains should be sportspeople Clubs with captains who are not sportspeople 44 0.31 s
NRHP reference number (P649) Items without ID Items that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not NRHP reference number (P649) 120 46.89 s
NRHP reference number (P649) National Historic Landmark but not listed on the National Register of Historic Places Items who are designated National Historic Landmark (Q624232), but are not listed as National Register of Historic Places listed place (Q19558910) or NRHP district (Q20856087) 13 0.39 s
NRHP reference number (P649) National Memorial, National Historic Site or National Military Park but not listed on the National Register of Historic Places Items who are National Memorial of the United States (Q1967454) National Historic Site (Q1258086) or National Battlefield (Q203676), but are not listed as National Register of Historic Places listed place (Q19558910) or NRHP district (Q20856087) 28 0.09 s
NRHP reference number (P649) Items with pictures but no Commons Category Items that do have image (P18), but not Commons category (P373) 1000 0.23 s
NRHP reference number (P649) Items whitout listing date Items that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not the qualifier start time (P580). 815 8.43 s
NRHP reference number (P649) Items who don't have a ressource type Items that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not the qualifier subject has role (P2868) with NRHP building (Q47162123), NRHP district (Q20856087), NRHP structure (Q47162146), NRHP site (Q47162186) or NRHP object (Q47162172). 1000 13.18 s
NRHP reference number (P649) Items who don't have "subject named as" Items that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not the qualifier subject named as (P1810). 1000 11.41 s
RKDartists ID (P650) Works with creator missing link List of works that have RKDimages ID (P350) set, but that creator doesn't have a RKDartists ID (P650) link 146 3.84 s
RKDartists ID (P650) Probably death People with RKDartists ID (P650) born before the year 1900, but no date of death (P570) 1000 35.55 s
RKDartists ID (P650) Biografisch Portaal artists without RKDartists People with Biografisch Portaal van Nederland ID (P651) and occupation (P106) (or subclass) visual artist (Q3391743), but no RKDartists ID (P650) 517 25.07 s
RKDartists ID (P650) 20th-century artists without nationality People with RKDartists ID (P650) born after 1900, but no country of citizenship (P27) 1000 17.73 s
RKDartists ID (P650) No profession in visual art or design People with occupation (P106) but without a visual artist (Q3391743) or designer (Q5322166) profession 1000 16.75 s
RKDartists ID (P650) Possible disambiguation in key language label Items with RKDartists ID (P650) with a label in either Dutch, English, German or French that looks like a disambiguation. 685 47.48 s
Biografisch Portaal van Nederland ID (P651) RKDartists without Biografisch Portaal People with RKDartists ID (P650), country of citizenship (P27) -> Kingdom of the Netherlands (Q29999) and died before 1980, but no Biografisch Portaal van Nederland ID (P651) 2727 4.05 s
Biografisch Portaal van Nederland ID (P651) Parlement & Politiek ID without Biografisch Portaal People with Parlement.com ID (P1749), country of citizenship (P27) -> Kingdom of the Netherlands (Q29999) and died before 1980, but no Biografisch Portaal van Nederland ID (P651) 2 0.78 s
Biografisch Portaal van Nederland ID (P651) DBNL author ID without Biografisch Portaal People with Digitale Bibliotheek voor de Nederlandse Letteren author ID (P723), country of citizenship (P27) -> Kingdom of the Netherlands (Q29999) and died before 1980, but no Biografisch Portaal van Nederland ID (P651) 765 1.26 s
Open Library ID (P648) Unsuitable OL identifier M OL identifier ending with M should only be used with editions. 10637 22.96 s
Open Library ID (P648) Unsuitable OL identifier W OL identifier ending with W should only be used with works. 0 timeout HTTP 504
Open Library ID (P648) Unsuitable OL identifier A OL identifier ending with A should only be used with humans, pseudonyms or organizations. 0 timeout HTTP 504
house number (P670) Check very short strings Can by a future mandatory complex constraint 1 3.01 s
afflicts (P689) Without P31 and P279 :/ (none) 2 0.45 s
inventory number (P217) Missing collection Items which have collection (P195) as a qualifier of inventory number (P217), but not as a statement 1000 3.18 s
candidate (P726) Qualifier object of statement has role (P3831) should have a value of the class candidate status (Q26696044) FIXME: Sample values: nominated candidate (Q26696038), candidate featured in polls (Q26696048); sample item: Q22676594#P726 163 2.87 s
family name (P734) Frequently used values generally have a Commons category TODO: add Commons category and/or Commons sitelink to item 41 58.84 s
family name (P734) Value shouldn't be an item for disambiguation pages fixme 1 24.48 s
family name (P734) Items for family names shouldn't also be items for families TODO: split the items 41 2.37 s
family name (P734) Value shouldn't be an item for families TODO: split the items, use another value/move statement to P53 1084 2.10 s
given name (P735) Value should not have VIAF ID Two possibilities: (1) change P735 value if incorrect item is used, (2) move P214 statement from value if property applied incorrectly, (3) .. 272 36.97 s
given name (P735) Items with notname wouldn't have a value todo: TBD, e.g. change rank to deprecated 7 0.24 s
World Heritage Site ID (P757) Items without ID Items that do have World Heritage Site (Q9259) in heritage designation (P1435), but not World Heritage Site ID (P757) 176 0.26 s
Alberta Register of Historic Places ID (P759) Items with pictures but no Commons Category Items that do have image (P18), but not Commons category (P373) 62 0.12 s
significant drug interaction (P769) Chemical entities with no indication of use as a drug Every item with significant drug interaction (P769) statement and instance of (P31)type of chemical entity (Q113145171) that has no has use (P366)medication (Q12140). In combination with other constraints it would allow in the future to properly move pharmacology-related statements from items about groups of isomers to items about specific isomer or to items about mixtures of isomers. 16 0.73 s
Swiss municipality code (P771) Check all codes > 6806 (none) 11 0.23 s
Swiss municipality code (P771) Picture (none) 1 0.31 s
Swedish minor urban area code (P776) P1448 required with exception for those installed 2015. A property P1448-constraint with an advanced exception. 144 1.09 s
SIKART person ID (P781) type human should have sex ID exists, type is human, sex missing 6809 0.66 s
ISIL (P791) Check ISIL DE-MUS-* Item with an ISIL identifier with DE-MUS- prefix but not a museum 80 2.09 s
notable work (P800) With only one page (none) 3 3.19 s
student (P802) Student didn't live during the same time as their teacher death date of person A is before birth date of person B 61 6.67 s
GNIS Antarctica ID (P804) Latitude should be south of 52.9 S The most northerly latitude in the GNIS Antarctica dataset is 52.9 S, so items should not be further north than that. 0 1.10 s
collection (P195) Missing inventory number Items which have inventory number (P217) as a qualifier of collection (P195), but not as a statement 1000 9.70 s
IMSLP ID (P839) Wrong IMSLP identifier for human IMSLP identifier for human should start by "Category:" 35 0.70 s
feast day (P841) Born in future (none) 0 0.38 s
SIRUTA code (P843) Length: 2 (none) 0 0.91 s
SIRUTA code (P843) Length: 3 (none) 0 0.37 s
official website (P856) Active WMF sites Ensure urls for active WMF sites include https and trailing slash. Sample: https://en.wikipedia.org/ not http://en.wikipedia.org/ or https://en.wikipedia.org 28 0.19 s
official website (P856) to www or not to www Vast majority of sites would handle www. prefix for users. Very rare dinosaurs exceptions are possible. 10 0.10 s
official website (P856) Websites should have this property (none) 100 0.31 s
official website (P856) Webportals should have this property (none) 100 0.49 s
topic's main category (P910) Items with this property should also have either P31 or P279 many lack this (below results are limited to 1000) 1000 30.54 s
topic's main category (P910) Items that link to a Commons category These links should be moved to the category item 0 timeout
filming location (P915) Having P17 (none) 297 1.19 s
main subject (P921) Missing statement with property on article items labeled "Obituary" (none) 0 0.06 s
main subject (P921) Missing statement with property on article items labeled "OBITUARY" (none) 0 0.07 s
work location (P937) Not world value (none) 0 0.05 s
KSH code (P939) Unexpected websites Hungarian municipalities are expected to have websites named as <municipality name usually with diacritics removed>.hu or possibly <municipality name with diacritics removed>.asp.lgov.hu. Websites that don’t follow this scheme are often official websites regardless, but sometimes they are rather touristical websites, hobby sites etc. Or even typos that go nowhere. 95 1.01 s
inspired by (P941) Same value in P144 and P941 One is a subproperty of the other, so either based on (P144) is incorrect or inspired by (P941) is redundant. 161 0.25 s
National Library of Spain SpMaBN ID (BNE v1.0) (P950) Check periodical literature with the "bise" prefix (none) 5 2.73 s
National Library of Spain SpMaBN ID (BNE v1.0) (P950) Check periodical literature with the "Mise" prefix (none) 0 5.54 s
National Library of Spain SpMaBN ID (BNE v1.0) (P950) Check edition with the "bima" prefix (none) 6 4.77 s
National Library of Spain SpMaBN ID (BNE v1.0) (P950) Check classes of elements having P31 (none) 0 timeout HTTP 504
ISBN-10 (P957) Invalid ISBN-10 ISBN-10 that have wrong checksum 602 8.46 s
ISBN-10 (P957) Publisher does not share ISBN publisher prefix ISBNs contain a publisher prefix that should also be present as a value of ISBN publisher prefix (P3035) on the corresponding publisher (P123) item. 12847 3.24 s
Austrian municipality key (P964) municipality in Austria without number municipality of Austria (Q667509) lacking a Austrian municipality key (P964) statement specifying the Community Identification Number (Q23003) 0 0.09 s
burial plot reference (P965) Montparnasse Cemetery Division #23 not exist in Montparnasse Cemetery (Q272208). Source: frwiki 0 0.07 s
category combines topics (P971) Values shouldn't be the same for P301 and P971 to do: remove it from either category's main topic (P301) or category combines topics (P971) 500 11.38 s
BAG residence ID (P981) Missing BAG links Woonplaatsen in BAG linked open data that we don't link to 0 0.09 s HTTP 500
Commons gallery (P935) Commons sitelinks different from P935 property Items with sitelinks linking to a different gallery than the property 0 timeout HTTP 504
Commons gallery (P935) No Commons category statement Items with a statement Commons gallery, but not statement Commons category 6367 3.31 s
light characteristic (P1030) pattern occurring only once may be correct, but might be malformed 732 0.94 s
light characteristic (P1030) basic patterns without an item create an item for the light characteristic. Ensure patterns are normalized before creating items for them. 20 2.61 s
light characteristic (P1030) frequent pattern without item create an item for the light characteristic. Ensure patterns are normalized before creating items for them. "W" might be missing. 20 0.54 s
light characteristic (P1030) item for pattern available lighthouse has a pattern for which an item is available, but the qualifier statement is subject of (P805) isn't used to link it 246 1.90 s
light characteristic (P1030) mismatch pattern and pattern on value of P1030 may be correct 240 2.91 s
Dewey Decimal Classification (P1036) Check 419.x (none) 0 1.49 s
relative (P1038) Items with relative (P1038) and a more specific property which both link to the same person If the relative (P1038) statement describes the same information as another statement which uses a more specific property, the relative (P1038) statement should be removed 1699 6.87 s
relative (P1038) Use more specific properties Use father (P22), mother (P25), spouse (P26), child (P40), etc. instead of relative (P1038) with kinship to subject (P1039) 0 timeout HTTP 504
relative (P1038) grandfather very old grandfather at 120 years old 64 0.62 s
Sycomore ID (P1045) Number of current mandates Number of current mandates should equal 577. 1 0.52 s
Sycomore ID (P1045) Too old mandates Start date before 22 June 2022 without any end date 1 0.73 s
Sycomore ID (P1045) Replacement during the current mandate, but no end date For mandates starting on 22 June 2022 of later, 3 1.86 s
CVR number (P1059) Validate danish organization numbers Report organizations with incorrect organization numbers, found by validating the checksum 2 0.34 s
student of (P1066) Teacher didn't live during the same time as their student death date of person A is before birth date of person B 91 13.47 s
location of creation (P1071) Fictional (none) 0 2.48 s
from narrative universe (P1080) Related characters do not share fictional universes Fictional character, with a P1080 statement, that has a relationship to another character that does not share any P1080 value. 1201 2.87 s
maximum capacity (P1083) Detect some mistakes (none) 11 0.42 s
maximum capacity (P1083) Detect some mistakes # 2 (none) 14 0.49 s
population (P1082) Every country should have this property TODO: add P1082 3 0.05 s
population (P1082) No preferred value P1082 with multiple values none of which is preferred 0 timeout HTTP 504
population (P1082) Population > 1000000000 (none) 78 7.07 s
population (P1082) Population need to be 0 on uninhabited island Check uninhabited island (Q1065592) 156 0.07 s
population (P1082) Population > 1000000 on a village see village (Q532) 0 8.46 s
Elo rating (P1087) Non-Deprecated Elo rating after date of death date of rating > date of death and normal or preferred rank 102 18.95 s
Elo rating (P1087) Elo ratings with preferred rank Elo ratings with preferred rank 7059 26.51 s
Elo rating (P1087) Elo ratings without proper source Elo ratings that do not have either a link to ratings.fide.com or olimpbase.org. Particularly, "imported from" is not a proper source. 0 timeout HTTP 504
Elo rating (P1087) Elo ratings without retrieval date (1) Elo ratings without retrieval date (using ratings.fide.com) 0 timeout
Elo rating (P1087) Elo ratings without retrieval date (2) Elo ratings without retrieval date (using olimpbase.org) 109 18.06 s
Elo rating (P1087) Elo ratings with wrong date precision Elo ratings with a date qualifier that has not month precision 0 timeout HTTP 504
number of speakers, writers, or signers (P1098) Maybe a mistake in P1098 Compare the number of human who spoken the language in database and the other number 0 17.29 s
number of episodes (P1113) Television series would have this (series with end date) check limited to series that ended ( end time (P582) ) 4908 1.94 s
number of episodes (P1113) Television series would have this (series with episode items) check limited to series with more than 10 episode items 31 2.45 s
employees (P1128) Recency point in time (P585)-qualifier of values shouldn't be older than the duration set at Property:P1128#P1552 with complex constraint recency (Q102173107) 0 0.37 s
conferred by (P1027) honorary doctorate of a university without "conferred by" honorary doctorate (Q11415564) without conferred by (P1027) 4 0.12 s
Kunstindeks Danmark Artist ID (P1138) Works with creator missing link List of works that have Kunstindeks Danmark artwork ID (P2108) set, but that creator doesn't have a Kunstindeks Danmark Artist ID (P1138) link 443 0.41 s
Kunstindeks Danmark Artist ID (P1138) Probably death People with Kunstindeks Danmark Artist ID (P1138) born before the year 1900, but no date of death (P570) 26 4.23 s
EHAK id (P1140) Check 00xx values county (Q189672) 0 0.05 s
neutron number (P1148) Correct rank for isotopes rank in the series (instance of qualifier) of some isotope of some element should be the sum of the atomic number and the neutron number 0 0.35 s
neutron number (P1148) Correct english label for isotopes english label for isotopes should follow the pattern "[elementname]-[number of nuclides]". If not something is probably wrong. 0 0.08 s
topic's main Wikimedia portal (P1151) value label (1: should match regex) fix label or adjust regex for language at Property:P1151#P1552: complex constraint value label (Q100884525) 60 17.42 s
topic's main Wikimedia portal (P1151) value label (1: languages lacking a regex) determine a regex and add it at Property:P1151#P1552: complex constraint value label (Q100884525) 122 1.77 s
visitors per year (P1174) Missing P1174 on a Q570116 Missing visitors per year (P1174) on a tourist attraction (Q570116) 14219 1.86 s
visitors per year (P1174) Value in Thailand In Thailand (Q869) 0 1.24 s
manner of death (P1196) Missing manner of death (P1196), deducable from cause of death (P509) Entites from whose cause of death the manner is deducable 9785 19.31 s
residence (P551) Residence should not be an instance of prison For prisons place of detention (P2632) should be used instead 75 0.21 s
ISMN (P1208) Invalid ISMN ISMN numbers that have wrong checksum 0 0.59 s
National Heritage List for England number (P1216) National Heritage List for England without number Items that do have heritage designation (P1435): Grade I listed building (Q15700818)/Grade II listed building (Q15700834)/Grade II* listed building (Q15700831), but not this property or Cadw Building ID (P1459) (some of these may be in Wales). 105 17.71 s
Internet Broadway Database person ID (P1220) P106 missing (none) 0 0.13 s
Internet Broadway Database person ID (P1220) P21 missing (none) 0 0.06 s
AUSTLANG code (P1252) Check P1098 value (none) 0 0.51 s
depicts Iconclass notation (P1257) Religious paintings without genre Paintings that have a religious Iconclass code, but missing genre (P136) -> religious art (Q2864737) 950 5.96 s
Legal Entity Identifier (P1278) LOU code 5493, 3157, 5493, 9695, 9884 For these LOUs, the two chars in pos 5-6 should be "00" 0 2.24 s
facet of (P1269) instances of "certain aspects of a person's life" lacking this property (none) 500 0.22 s
filmography (P1283) value label (1: should match regex) fix label or adjust regex for language at Property:P1283#P1552: complex constraint value label (Q100884525) 357 33.85 s
filmography (P1283) value label (1: languages lacking a regex) determine a regex and add it at Property:P1283#P1552: complex constraint value label (Q100884525) 52 13.71 s
filmography (P1283) Most active actors/directors without one at Wikidata (none) 10 1.69 s
filmography (P1283) Most active actors/directors (since 2010) without one at Wikidata (none) 10 14.46 s
filmography (P1283) Values to add Filmographies which are not associated with its performer 100 0.33 s
OpenStreetMap tag (P1282) sport This should be applied to instances of sport type and a few other games/etc. Expand constraint as needed --- query broken, changed to work without prefix Tag:, but REGEX matches sport= anywhere, not only at beginning 71 0.77 s
OpenStreetMap tag (P1282) Tags using keys that have no entity Extracts "key" from "Tag:key=value" if there is no "Key:key" 2 0.10 s
Swiss parliament ID (P1307) 200 CN sans date de fin il devrait y avoir 200 membres 1 0.51 s
Swiss parliament ID (P1307) 46 CE sans date de fin il devrait y avoir 46 membres 1 0.14 s
OpenCorporates ID (P1320) Check prefix (none) 0 timeout HTTP 504
OpenCorporates ID (P1320) Full check prefix (none) 24 52.06 s
coordinates of northernmost point (P1332) Northernmost should be North of southernmost correct where needed. FIXME: allow for exceptions based on "applies to part" qualifier. Compare with Easternmost should be east of westernmost 13 16.16 s
coordinates of easternmost point (P1334) Easternmost should be east of westernmost correct where needed. FIXME: allow for exceptions if not same "applies to part" qualifier; handle Q159 42 3.99 s
coordinates of easternmost point (P1334) Check westernmost point and easternmost point of countries (none) 0 0.12 s
described by source (P1343) Redundancy of P1343 with existing external identifiers (none) 0 1.69 s
participant in (P1344) A participant in a conclave must be a cardinal Items with participant in (P1344) = conclave (Q186431) need a position held (P39) = WD:Q45722. Good (mandatory) constraint to detect few mistakes. 0 0.45 s
replaces (P1365) Value "first" not allowed If item is first in a series, value type should be "no value", rather than a value of first (Q19269277), which is ambiguous 6 0.10 s
replaced by (P1366) Value "last" not allowed If item is last in a series, value type should be "no value", rather than a value of last (Q30013662), which is ambiguous 0 0.04 s
Japanese High School Code (P1386) Invalid Japanese High School Code Japanese High School Code that have wrong checksum (no authentic documents) 1 0.19 s
Art UK artist ID (P1367) Works with creator missing link List of works that have Art UK artwork ID (P1679) set, but that creator doesn't have a Art UK artist ID (P1367) link 31696 14.50 s
Art UK artist ID (P1367) Probably death People with Art UK artist ID (P1367) born before the year 1900, but no date of death (P570) 284 3.88 s
Encyclopædia Britannica Online ID (P1417) P31 missing on a biography (none) 9 6.10 s
heritage designation (P1435) Items who don't have location Items who don't have located in the administrative territorial entity (P131) or location (P276) 3000 45.60 s
heritage designation (P1435) Without other statement (none) 0 0.10 s
present in work (P1441) humans appearing in documentary works Humans with present in work (P1441) set to a work of genre non-fiction (Q213051) (or a subclass thereof) 238 1.64 s
Sports-Reference.com Olympic athlete ID (archived) (P1447) Human without participation (P1344) Item with a Sports-Reference.com Olympic athlete ID (archived) (P1447) identifier should have a participant in (P1344) claim for their Olympic participation 11234 5.49 s
Sports-Reference.com Olympic athlete ID (archived) (P1447) Human without occupation (P106) Q5 without occupation (P106) 0 5.66 s
Sports-Reference.com Olympic athlete ID (archived) (P1447) Check id Rapid check id 0 22.90 s
destination point (P1444) Value requires "country" (P17) add value or define exception 310 1.25 s
image of grave (P1442) Same image in P18 and in P1442 (none) 473 8.73 s
image of grave (P1442) Wrong date point in time (P585) is for the date of picture (see date of burial or cremation (P4602) for an other date) 3 3.40 s
category for people who died here (P1465) value label (1: should match regex) fix label or adjust regex for language at Property:P1465#P1552: complex constraint value label (Q100884525) 107 21.87 s
category for people who died here (P1465) value label (1: languages lacking a regex) determine a regex and add it at Property:P1465#P1552: complex constraint value label (Q100884525) 65 8.28 s
Commons Creator page (P1472) Probably death People with Commons Creator page (P1472) born before the year 1900, but no date of death (P570) 780 5.70 s
Commons Creator page (P1472) 20th-century artists without nationality People with Commons Creator page (P1472) born after 1900, but no country of citizenship (P27) 411 4.89 s
Commons Creator page (P1472) No suitable occupation People with Commons Creator page (P1472) and occupation (P106) but without a occupation that would create suitable works for Commons. The occupations are artist (Q483501), author (Q482980), botanist (Q2374149), zoologist (Q350979), cartographer (Q1734662), scientist (Q901) and subclasses of these. 1000 22.11 s
sourcing circumstances (P1480) No source Statements with sourcing circumstances without reference 2500 10.19 s
sourcing circumstances (P1480) Check posthumous qualifier Check posthumous (Q60503972) qualifier. With an exception for this very special case: Pappy Boyington (Q684140) (source) 0 0.17 s
Gertrude ID (P1529) Not located in Brittany All items should have a P131 with a place in Britanny. 0 timeout HTTP 504
Gertrude ID (P1529) Inconsistency between the identifier and the location Place with identifier prefix indicating a departement but located in another departement. 8 0.22 s
family name identical to this given name (P1533) Missing statements (male given name) add P1533 50 2.28 s
family name identical to this given name (P1533) Missing statements (female given name) add P1533 50 5.57 s
family name identical to this given name (P1533) Missing statements (given name) add P1533 50 2.13 s
family name identical to this given name (P1533) Missing statements (unisex given name) add P1533 50 7.41 s
demonym (P1549) Statement appears to contain multiple values If there are multiple values (e.g. male and female forms), they should be entered as separate statements. 286 0.72 s
has characteristic (P1552) Instance or subclass Element with this property should also contain property instance of (P31) or subclass of (P279) 116903 20.61 s
name in native language (P1559) Check on multiple values Items with more than 3 values might not be using this property correctly 156 41.31 s
given name version for other gender (P1560) value of label is generally different avoid using this property for given names used by both genders but mapped to different Wikidata items 66 4.64 s
given name version for other gender (P1560) Value of qualifier P407 should be precise avoid using multiple languages (Q20923490) as value 29 0.54 s
GeoNames ID (P1566) Items with P1889 and the same GeoNames ID as another item Items explicitly marked as being different from each other are not expected to have the same GeoNames ID. 261 46.57 s
GeoNames ID (P1566) Items which are instances of a disambiguation page Items should not be instances of disambiguation pages. 23 15.82 s
lifestyle (P1576) Claims without source Each P1576 claim needs to have at least one (non Wikipedia) source 778 3.98 s
Catalan object of cultural interest ID (P1586) BCIN sense IPAC ni IPAPC element amb codi BCIN sense identificador IPAC ni identificador IPAPC 2 0.44 s
Catalan object of cultural interest ID (P1586) BCIN sense codi element amb estatus patrimonial BCIN sense codi BCIN 134 0.55 s
Catalan object of cultural interest ID (P1586) No localitzat a un municipi de Catalunya element amb codi BCIN però no localitzat a un municipi de Catalunya (o una subdivisió seva, o una subdivisió d'una subdivisió seva) 0 0.34 s
Catalan object of cultural interest ID (P1586) Estatus patrimonial sense el rol corresponent element amb estatus patrimonial BCIN però on el rol de l'estatus i el codi BCIN no coincideixen 36 1.80 s
Inventari del Patrimoni Arquitectònic de Catalunya code (P1600) Béns catalans sense IPAC ni IPAPC elements amb estatus patrimonial BCIL o bé integrant del patrimoni cultural català que no tenen ni codi IPAC ni codi IPAPC 59 1.83 s
Inventari del Patrimoni Arquitectònic de Catalunya code (P1600) No localitzat a un municipi de Catalunya element amb identificador IPAC però no localitzat a un municipi de Catalunya (o una subdivisió seva, o una subdivisió d'una subdivisió seva) 1 4.28 s
series ordinal (P1545) Big strings Strings with 20+ chars 30 0.77 s
History of Parliament ID (P1614) item requires statement constraint Requires a P39 which is an instance or subclass of an MP 0 timeout
SIREN number (P1616) Check first digit (1 or 2 for public) First digit need to be 1 or 2 for a public organisation, source 78 43.35 s
SIREN number (P1616) Not having P1454 (none) 210 15.61 s
formatter URL (P1630) Items that use "wd" in formatter URLs should have URL match pattern wd in formatter URLs is commonly used to indicate arbitrary values. To allow backward conversion from such URLs into identifiers (for tools like Entity Explosion (Q98398855)), property also should have a hand-crafted URL match pattern (P8966). 29 0.37 s
Swedish Open Cultural Heritage URI (P1260) Missing qualifier for "raa/fmi/" values Values starting with "raa/fmi/" should always have RAÄ number (P1262) as a qualifier. 36 19.55 s
messes.info Catholic church ID (P1644) Identifiants incorrects Identifiant correspondant à une église située dans un autre département 31 0.92 s
Art UK artwork ID (P1679) Items with creator not linked to Art UK artist ID Items that have creator (P170), but that item doesn't have Art UK artist ID (P1367). Missing link can probably be added 500 3.43 s
Art UK artwork ID (P1679) Items with collection not linked to Art UK collection/venue ID Items that have collection (P195), but that item doesn't have a Art UK venue ID (P1602) or Art UK collection ID (P1751) statement. Missing link can probably be added 500 1.53 s
Art UK artwork ID (P1679) Items with location not linked to Art UK venue ID Items that have location (P276), but that item doesn't have a Art UK venue ID (P1602) statement. Missing link can probably be added 500 0.38 s
inverse property (P1696) Wrong datatype Properties with an inverse that do not have entity datatype 0 0.04 s
inverse property (P1696) Missing property Properties with "Inverse" constraint type without a declared inverse property 1 0.10 s
native label (P1705) Single value (per input language) constraint The property should not be used more than once with the same language code per item; see Property talk:P1705#Multiculturalism for discussion 12184 35.13 s
native label (P1705) Check on multiple values Items with more than 3 values might not be using this property correctly 1000 32.13 s
phone number (P1329) Check for country code entries should start with "+" and the country code (+1 for US numbers) 100 4.05 s
Metacritic ID (P1712) Check for game IDs of "game/some-video-game/critic-reviews/?platform=some-platform" or "game/some-video-game/user-reviews/?platform=some-platform" format that aren't used in references (this query should always be empty) complex constraint that tracks video game items whose identifiers are not used in references 0 3.58 s
Sandre river ID (P1717) Check countries (none) 3 0.57 s
Sandre river ID (P1717) Number of countries crossed greater than or equal to three This query use a blacklist for 5 items. 1 0.28 s
Sandre river ID (P1717) Too long river TODO: check the unit 0 0.20 s
NACSIS-CAT bibliography ID (P1739) Invalid NACSIS-CAT ID NACSIS-CAT ID that have wrong checksum (see https://catill.bitbucket.io/CM/furoku2_1.html) 1 0.90 s
category for films shot at this location (P1740) value label (1: should match regex) fix label or adjust regex for language at Property:P1740#P1552: complex constraint value label (Q100884525) 13 15.73 s
category for films shot at this location (P1740) value label (1: languages lacking a regex) determine a regex and add it at Property:P1740#P1552: complex constraint value label (Q100884525) 40 0.76 s
Parlement.com ID (P1749) Better name needed People with Parlement.com ID (P1749) and given name (P735) of type initials instead of given names (Q19803443) 142 2.79 s
list related to category (P1753) value label (1: should match regex) fix label or adjust regex for language at Property:P1753#P1552: complex constraint value label (Q100884525) 0 timeout
list related to category (P1753) value label (1: languages lacking a regex) determine a regex and add it at Property:P1753#P1552: complex constraint value label (Q100884525) 248 37.09 s
Romania LMI code (P1770) Check ID See ISO 3166-2 code (P300) 0 timeout HTTP 504
category for people buried here (P1791) value label (experimental) compares label of value with label of subject per regex for language at Property:P1791#P1552: complex constraint value label template (Q100883797) 350 33.68 s
format as a regular expression (P1793) Find regexes with common issues Find regexes with common issues 1346 0.54 s
Smithsonian American Art Museum person/institution ID (P1795) Works with creator missing link List of works that are in collection (P195) Smithsonian American Art Museum (Q1192305) and have creator (P170) set, but that creator doesn't have a Smithsonian American Art Museum person/institution ID (P1795) link 740 0.68 s
senat.fr ID (P1808) Missing date of death Person born before 1916 with no date of death 14 0.83 s
list of episodes (P1811) list should have qualifier with series as value is a list of (P360) should be qualified with part of the series (P179) and item for series as value 823 4.02 s
list of episodes (P1811) value label (1: should match regex) fix label or adjust regex for language at Property:P1811#P1552: complex constraint value label (Q100884525) 289 2.67 s
list of episodes (P1811) value label (1: languages lacking a regex) determine a regex and add it at Property:P1811#P1552: complex constraint value label (Q100884525) 55 1.39 s
list of episodes (P1811) Episode lists should be linked with this property Find is a list of (P360)=episode not used as value with this property 1467 0.62 s
genealogics.org person ID (P1819) pipes in label list of labels to fix 50 6.56 s
ISWC (P1827) Validate ISWC numbers Report incorrect ISWC numbers, found by validating the checksum 0 0.53 s
PSS-archi ID (P1838) Inconsistency between the identifier and the location Place with identifier prefix indicating a departement but located in another departement. 152 0.62 s
PSS-archi ID (P1838) Inconsistency between the identifier and the location in Switzerland Check Swiss municipality code (P771) of located in the administrative territorial entity (P131) 11 4.60 s
PSS-archi ID (P1838) Inconsistency between the identifier and the location in Belgium Check NIS/INS code (P1567) of located in the administrative territorial entity (P131) 8 2.79 s
US Federal Election Commission ID (P1839) Need country of citizenship or country (none) 12 0.29 s
US Federal Election Commission ID (P1839) 2020 presidential candidates should have one starting with "P" (none) 44 0.10 s
blood type (P1853) Possibly wrong inheritance pattern 1 A human who has blood type O can't have a child having blood type AB, and vice versa. 1 1.05 s
blood type (P1853) Possibly wrong inheritance pattern 2 Parents who have only blood type O or B, can't have a child having blood type A or AB. Similarly, parents with O or A, can't have a child having B or AB. 0 1.04 s
Wikidata property example (P1855) Non-existent examples Properties with examples that do not exist at the target items 2829 5.27 s
Wikidata property example (P1855) No example provided Statement with value exists, but it does not have a qualifier with an actual example 55 2.57 s
ballots cast (P1868) ballots cast (P1868) + number of abstentions (P5043) must equal eligible voters (P1867) If these properties do not add up, there is probably a typo or mixup or some unusual use of qualifiers. 29 1.20 s
ballots cast (P1868) ballots cast (P1868) + number of abstentions (P5043) must equal electorate (P1831) If these properties do not add up, there is probably a typo or mixup or some unusual use of qualifiers. 12 1.86 s
ballots cast (P1868) Either total valid votes (P1697) + number of spoilt votes (P5044) or total valid votes (P1697) + number of spoilt votes (P5044) + number of blank votes (P5045) must equal ballots cast (P1868) If these properties do not add up, there is probably a typo or mixup or some unusual use of qualifiers. 159 5.14 s
ballots cast (P1868) Either number of support votes (P8683) + number of negative votes (P8682) or number of support votes (P8683) + number of negative votes (P8682) + number of blank votes (P5045) must equal total valid votes (P1697) If these properties do not add up, there is probably a typo or mixup or some unusual use of qualifiers. 19 0.73 s
list of characters (P1881) value label (1: should match regex) fix label or adjust regex for language at Property:P1881#P1552: complex constraint value label (Q100884525) 128 0.96 s
list of characters (P1881) value label (1: languages lacking a regex) determine a regex and add it at Property:P1881#P1552: complex constraint value label (Q100884525) 57 2.20 s
DMNES-ID (P1888) Names should match compare with native label (P1705) on item 17 0.32 s
office held by head of state (P1906) Officeholder present on state's item not present on office's item If item has a office held by head of state (P1906) with value A and head of state (P35) with value B, A should have a position holder (P1308) with value B 300 0.11 s
properties for this type (P1963) Check "has quality" values Values of the has characteristic (P1552) qualifier should be instances of status of property in properties for this type (Q84597428) 6 1.32 s
properties for this type (P1963) Properties should be allowed to be used in main statements Properties that don't have property constraint (P2302)property scope constraint (Q53869507)property scope (P5314)as main value (Q54828448) should not be used as a value for this property 24 2.20 s
number of children (P1971) Number of children shouldn't be lower than the number of statements with child (P40) Counts may be lower due to older data, children that didn't live to adulthood being excluded, etc 385 1.44 s
Les Archives du spectacle person ID (P1977) Need P106 See occupation (P106). 199 results in 6 november 2020 264 4.28 s
FSK film rating (P1981) Check qualifier P2676 qualifier must meet regex "^(2[3-9]\d{4}|([1-9]\d{0,4}|1\d{5}|2[01]\d{4})((-[a-d])?/(KV?|V(DVD(UMD)?)?|DVD|LD)|a?\(VV\))|)$" 987 2.03 s
Treccani's Biographical Dictionary of Italian People ID (P1986) Probable mismatches items with this property always have a publication date which is posterior to death date; otherwise, either the death date or the DBI ID is wrong 1 9.93 s
X (Twitter) username (P2002) Duplicate identifiers differing only in case These items have the same Twitter ID twice, but with different casing. N.B. Please do not fix automatically by removing entries without checking them first as one value may have key qualifiers (follower count, verification, sources, etc.)! 13832 12.38 s
Museum of Modern Art work ID (P2014) Artworks in the MOMA collection without a link Items that have collection (P195) set to Museum of Modern Art (Q188740) (without the ones with an end time (P582)), but that item doesn't have Museum of Modern Art work ID (P2014). Missing link can probably be added 103 3.18 s
Hansard (1803–2005) ID (P2015) P39 is an MP, Lord or subclass thereof Item is an MP, Lord or subclass thereof 0 timeout
WorldFootball.net person ID (P2020) Quick check if look like a soccer player or an association football referee (none) 14 7.35 s
category for pictures taken with this camera (P2033) Value label (1: should match regex) fix label or adjust regex for language at Property:P2033#P1552: complex constraint value label (Q100884525) 7 1.28 s
category for pictures taken with this camera (P2033) Value label (1: languages lacking a regex) determine a regex and add it at Property:P2033#P1552: complex constraint value label (Q100884525) 6 0.22 s
category for pictures taken with this camera (P2033) category items with P971=Q20683640 should be a value of P2033 (1) Add category item to item for camera (batch 1 of 3) 5000 1.53 s
category for pictures taken with this camera (P2033) category items with P971=Q20683640 should be a value of P2033 (2) Add category item to item for camera (batch 2 of 3) 5000 3.07 s
category for pictures taken with this camera (P2033) category items with P971=Q20683640 should be a value of P2033 (3) Add category item to item for camera (batch 3 of 3) 118 1.48 s
National Gallery of Victoria artist ID (P2041) Australian artists missing DAAO ID Person from Australia with National Gallery of Victoria artist ID, but no DAAO ID 465 0.30 s
National Gallery of Victoria artist ID (P2041) Works with creator missing link List of works that are in collection (P195) National Gallery of Victoria (Q1464509) and have creator (P170) set, but that creator doesn't have a National Gallery of Victoria artist ID (P2041) link 871 0.40 s
elevation above sea level (P2044) Check minimal value for elevation in country Items with incorrect elevation value ; todo: only on item who having a single country 0 timeout HTTP 504
area (P2046) Check units Unit must to be a unit of area (Q1371562) 807 19.34 s
height (P2048) Unsuitable height for human Person with height and bigger than 2.72m (man) or 2.48m (women) 5 18.20 s
height (P2048) Human > 2.10 m without occupation Human(s) without occupation (P106) 18 42.52 s
height (P2048) Human > 2.10 m without medical condition gigantism Human(s) without medical condition (P1050) = gigantism (Q501829) 1341 20.47 s
height (P2048) Check units (none) 550 41.32 s
height (P2048) Unsuitable height for human Person with height smaller than 50 cm 14 24.97 s
duration (P2047) Check units Unit must to be a unit of time (Q1790144) 156 7.37 s
electrical conductivity (P2055) Check units (none) 0 0.19 s
mass (P2067) Unsuitable weight for human Person with weight and bigger than 300kg 20 48.53 s
mass (P2067) compare mass born and mass adult (none) 0 0.07 s
mass (P2067) max value (none) 0 22.65 s
mass (P2067) taxon max value (none) 1 27.24 s
temperature (P2076) Check units Unit must to be a temperature scale (Q2394680) 1232 0.33 s
author name string (P2093) Duplicate between author and short author name at a given position in an authoring list Identical P1545 for both a P50 and a P2093 statement 1000 47.37 s
Kunstindeks Danmark artwork ID (P2108) Items with creator not linked to Kunstindeks Danmark Items that have creator (P170), but that item doesn't have Kunstindeks Danmark Artist ID (P1138). Missing link can probably be added 441 0.78 s
immediately dangerous to life or health (P2129) Check units Unit must to be a unit of concentration (Q60026969) 5 0.11 s
clock frequency (P2149) Invalid determination method for clock speed Clock speed should be determined either by using base clock frequency (Q73207925) and/or boost clock frequency (Q73208059) 9 0.08 s
FAST ID (P2163) No instance or subclass Items with this property, but both instance of (P31) and subclass of (P279) are missing 81 53.84 s
FAST ID (P2163) Missing VIAF or LCAuth Items with this property, but VIAF cluster ID (P214), Library of Congress authority ID (P244) and Library of Congress Genre/Form Terms ID (P4953) are missing 0 timeout HTTP 504
Museum of Modern Art artist ID (P2174) Works with creator missing link List of works that are in collection (P195) Museum of Modern Art (Q188740) or have Museum of Modern Art work ID (P2014) and have creator (P170) set, but that creator doesn't have a P21741 (P21741) link 60 0.53 s
medical condition treated (P2175) Chemical entities with no indication of use as a drug Every item with medical condition treated (P2175) statement and instance of (P31)type of chemical entity (Q113145171) that has no has use (P366)medication (Q12140). In combination with other constraints it would allow in the future to properly move pharmacology-related statements from items about groups of isomers to items about specific isomer or to items about mixtures of isomers. 267 0.30 s
drug or therapy used for treatment (P2176) Chemical entities with no indication of use as a drug Every item with drug or therapy used for treatment (P2176) statement that the value has instance of (P31)type of chemical entity (Q113145171) but no has use (P366)medication (Q12140). In combination with other constraints it would allow in the future to properly move pharmacology-related statements from items about groups of isomers to items about specific isomer or to items about mixtures of isomers. 0 0.13 s
history of topic (P2184) value label (1: should match regex) fix label or adjust regex for language at Property:P2184#P1552: complex constraint value label (Q100884525) 460 8.66 s
history of topic (P2184) value label (1: languages lacking a regex) determine a regex and add it at Property:P2184#P1552: complex constraint value label (Q100884525) 253 4.67 s
count of students (P2196) Recency point in time (P585)-qualifier of values shouldn't be older than the duration set at Property:P2196#P1552 with complex constraint recency (Q102173107) 0 0.11 s
autoignition temperature (P2199) Check units Unit must to be a temperature scale (Q2394680) 96 0.12 s
P2237 (P2237) No units specified All quantity properties should have P2237 (P2237) or type of unit for this property (P2876) 604 0.13 s
reason for deprecated rank (P2241) Non-deprecated statements Items with statements qualified by reason for deprecated rank (P2241) that are not deprecated 5891 33.15 s
life expectancy (P2250) Date after today (none) 0 0.57 s
National Gallery of Art artist ID (P2252) Works with creator missing link List of works that are in collection (P195) National Gallery of Art (Q214867) and have creator (P170) set, but that creator doesn't have a National Gallery of Art artist ID (P2252) link 6956 13.95 s
Musée d'Orsay artist or personality ID (P2268) Missing P106 on humans (none) 603 5.17 s
Musée d'Orsay artist or personality ID (P2268) Works with creator missing link List of works that are in collection (P195) Musée d'Orsay (Q23402) and have creator (P170) set, but that creator doesn't have a Musée d'Orsay artist or personality ID (P2268) link 63 0.25 s
Wikidata property example for properties (P2271) Non-existent examples Properties with examples that do not exist at the target properties 99 9.84 s
property constraint (P2302) "allowed units constraint", "integer constraint" and "no-bounds constraint" must only be used on properties with a Quantity datatype Only properties with a quantity (Q29934271) datatype should have allowed units constraint (Q21514353), integer constraint (Q52848401) and no-bounds constraint (Q51723761) applied. 0 0.31 s
property constraint (P2302) "Commons link constraint" must only be used on properties with a CommonsMedia, GeoShape, TabularData or String datatype Only properties with a CommonsMedia (Q29934260), GeoShape (Q42742911), TabularData (Q42743260) or Wikibase string datatype (Q29934246) datatype should have Commons link constraint (Q21510852) applied. 0 0.22 s
property constraint (P2302) "contemporary constraint" must only be used on properties with an Item datatype Only properties with an Wikibase item (Q29934200) datatype should have contemporary constraint (Q25796498) applied. 1 0.32 s
property constraint (P2302) "value-type constraint" must only be used on properties with an Item, Property or Lexeme datatype Only properties with an Wikibase item (Q29934200), Wikibase property (Q29934218) or Wikibase lexeme (Q51885771) datatype should have value-type constraint (Q21510865) applied. 0 0.21 s
property constraint (P2302) "allowed qualifiers constraint" and "required qualifiers constraint" must only be used on properties that have a scope of "as main value" Properties with a property constraint (P2302) value of either allowed qualifiers constraint (Q21510851) or required qualifier constraint (Q21510856) must also have a property constraint (P2302) value of property scope constraint (Q53869507) with qualifier property scope (P5314) having the value as main value (Q54828448). 72 1.71 s
property constraint (P2302) "one-of constraint" and "none-of constraint" are incompatible If one-of constraint (Q21510859) is defined as a constraint, then none-of constraint (Q52558054) must not be defined. 13 0.07 s
property constraint (P2302) "single-value constraint", "single-best-value constraint" and "multi-value constraint" are incompatible Only one of the following constraints must be defined for a property: single-value constraint (Q19474404), single-best-value constraint (Q52060874) or multi-value constraint (Q21510857). 29 0.75 s
property constraint (P2302) Preferred values are forbidden Due to nature of constraints, making any specific constraint as preferred makes no sense and breaks tools that use wdt:P2302 in SPARQL queries. 5 1.13 s
property constraint (P2302) Constraint fully disallows usage of property Incorrectly filled "property scope" and "allowed-entity-types" constraints will mark all usage of statement as violation 5 0.70 s
property constraint (P2302) Property needs an example Properties should have an example statement. 189 3.51 s
item of property constraint (P2305) Items of an "allowed entity types constraint" must be Wikidata datatypes The only allowed items for the item of property constraint (P2305) qualifier to the allowed-entity-types constraint (Q52004125) are Wikibase item (Q29934200), Wikibase property (Q29934218), Wikibase MediaInfo (Q59712033), Wikibase lexeme (Q51885771), Wikibase form (Q54285143) and Wikibase sense (Q54285715). 1 0.58 s
item of property constraint (P2305) Items of an "lexeme requires language constraint" must be human languages The only allowed items for the item of property constraint (P2305) qualifier to the allowed-entity-types constraint (Q52004125) are instances of human language (Q20162172) or instances of a subclass of human language (Q20162172). 36 4.60 s
item of property constraint (P2305) Items of an "allowed units constraint" must be units of measurement The only allowed values for the item of property constraint (P2305) qualifier to allowed units constraint (Q21514353) are instances of unit of measurement (Q47574) or instances of a subclass of unit of measurement (Q47574). Use applies to part (P518), applies to people (P6001) or other similar qualifiers to distinguish counts. 151 1.80 s
Wikimedia Commons namespace (P2307) Qualifier only valid to use with "Commons link constraint" This property must only be used as a qualifier for property constraint (P2302) values of Commons link constraint (Q21510852). 0 0.06 s
minimum date (property constraint) (P2310) Minimum date value of a "range constraint" must be less than the maximum date value of the range For a range constraint (Q21510860), the value of the minimum date (property constraint) (P2310) qualifier must be less than the value of the maximum date (property constraint) (P2311) qualifier. 0 0.06 s
minimum date (property constraint) (P2310) Qualifier only valid to use with "range constraint" This property must only be used as a qualifier for property constraint (P2302) value of range constraint (Q21510860). 0 0.15 s
maximum date (property constraint) (P2311) Minimum date value of a "range constraint" must be less than the maximum date value of the range For a range constraint (Q21510860), the value of the minimum date (property constraint) (P2310) qualifier must be less than the value of the maximum date (property constraint) (P2311) qualifier. 0 0.06 s
maximum date (property constraint) (P2311) Qualifier only valid to use with "range constraint" This property must only be used as a qualifier for property constraint (P2302) value of range constraint (Q21510860). 0 0.05 s
minimum value (P2313) Minimum quantity value of a "range constraint" or "difference-within-range constraint" must be less than the maximum quantity value of the range For a range constraint (Q21510860) or difference-within-range constraint (Q21510854), the value of the minimum value (P2313) qualifier must be less than the value of the maximum value (P2312) qualifier. 0 0.05 s
minimum value (P2313) Minimum date value of a "range constraint" must be less than the maximum date value of the range For a range constraint (Q21510860), the value of the minimum date (property constraint) (P2310) qualifier must be less than the value of the maximum date (property constraint) (P2311) qualifier. 0 0.10 s
minimum value (P2313) Qualifier only valid to use with "range constraint" and "difference-within-range constraint" This property must only be used as a qualifier for property constraint (P2302) values of range constraint (Q21510860) and difference-within-range constraint (Q21510854). 0 0.23 s
maximum value (P2312) Minimum quantity value of a "range constraint" or "difference-within-range constraint" must be less than the maximum quantity value of the range For a range constraint (Q21510860) or difference-within-range constraint (Q21510854), the value of the minimum value (P2313) qualifier must be less than the value of the maximum value (P2312) qualifier. 0 0.21 s
maximum value (P2312) Minimum date value of a "range constraint" must be less than the maximum date value of the range For a range constraint (Q21510860), the value of the minimum date (property constraint) (P2310) qualifier must be less than the value of the maximum date (property constraint) (P2311) qualifier. 0 0.06 s
maximum value (P2312) Qualifier only valid to use with "range constraint" and "difference-within-range constraint" This property must only be used as a qualifier for property constraint (P2302) values of range constraint (Q21510860) and difference-within-range constraint (Q21510854). 0 0.19 s
Norwegian organisation number (P2333) Validate norwegian organization numbers Report organizations with incorrect organization numbers, found by validating the checksum 0 0.65 s
has list (P2354) Lists not values of P2354 (1st sample) sample of 500 lists 500 1.02 s
has list (P2354) Lists not values of P2354 (2nd sample) 2nd sample of 500 lists 500 0.48 s
has list (P2354) value label (1: should match regex) fix label or adjust regex for language at Property:P2354#P1552: complex constraint value label (Q100884525) 500 35.74 s
has list (P2354) Lists about Andorra not values of P2354 (none) 77 0.33 s
has list (P2354) Lists about Argentina not values of P2354 (none) 100 0.47 s
has list (P2354) Lists about Luxembourg not values of P2354 (none) 67 0.51 s
has list (P2354) Lists about Monaco not values of P2354 (none) 32 0.34 s
praenomen (P2358) Labels in Catalan would generally be different from Latin output: item with English label, Catalan label, Latin label 53 1.51 s
praenomen (P2358) Labels in Italian would generally be different from Latin output: item with English label, Italian label, Latin label 230 1.00 s
praenomen (P2358) Labels in Spanish would generally be different from Latin output: item with English label, Spanish label, Latin label 313 0.79 s
praenomen (P2358) Labels in Portuguese would generally be different from Latin output: item with English label, Portuguese label, Latin label 301 1.03 s
praenomen (P2358) Labels in Polish would generally be different from Latin output: item with English label, Polish label, Latin label 120 1.55 s
praenomen (P2358) Labels in English would generally be different from Catalan (ca) output: item with English label, English label, Catalan label 73 1.30 s
praenomen (P2358) Labels in English would generally be different from Italian (it) output: item with English label, English label, Italian label 281 0.87 s
praenomen (P2358) Labels in English would generally be different from Spanish (es) output: item with English label, English label, Spanish label 425 0.53 s
praenomen (P2358) Labels in English would generally be different from Portuguese (pt) output: item with English label, English label, Portuguese label 346 2.34 s
praenomen (P2358) Labels in English would generally be different from Polish (pl) output: item with English label, English label, Polish label 158 0.63 s
praenomen (P2358) name in native language should be label or alias (none) 175 0.83 s
NMHH film rating (P2363) Check qualifier P2676 qualifier must meet regex "^NFT/2?\d{4}(-\d{1,2})?/20(1[2-9]|2[0-5])$" 2 0.40 s
production code (P2364) Codes that are not mere numbers are generally unique TODO: fix code or define applicable exceptions 193 3.63 s
production code (P2364) Codes should be unique within a series TODO: add missing series statements, fix code or define applicable exceptions 338 7.14 s
production code (P2364) The Simpsons (none) 44 0.34 s
production code (P2364) Check format (suggestion) 1221 0.70 s
conversion to SI unit (P2370) Property missing? TODO: if applicable, add conversion to standard unit (P2442) or instance of (P31)=unit without standard conversion to SI (Q21684377) or define exceptions 0 timeout HTTP 504
conversion to SI unit (P2370) ⚠️ Mandatory: Check units ⚠️ Mandatory, no exception. Please use conversion to standard unit (P2442) for other conversion. 5 0.43 s
service ribbon image (P2425) Missing person who having this service ribbon (none) 25 3.06 s
Thyssen-Bornemisza artist ID (P2431) Works with creator missing link List of works that are in collection (P195) Thyssen-Bornemisza Museum (Q176251) and have creator (P170) set, but that creator doesn't have a Thyssen-Bornemisza artist ID (P2431) link 83 0.50 s
J. Paul Getty Museum agent DOR ID (old) (P2432) Works with creator missing link List of works that are in collection (P195) J. Paul Getty Museum (Q731126) and have creator (P170) set, but that creator doesn't have a J. Paul Getty Museum agent DOR ID (old) (P2432) link 156 0.12 s
number of seasons (P2437) Check value (none) 0 5.56 s
Transfermarkt player ID (P2446) Identical ID for Transfermarkt player and coach Person that has both "Transfermarkt player ID" and "Transfermarkt coach ID", and the ID is the same. These are normally errors, because the player and coach IDs are different (even for the same person!). 15 0.41 s
Transfermarkt manager ID (P2447) Identical ID for Transfermarkt player and coach Person that has both "Transfermarkt player ID" and "Transfermarkt coach ID", and the ID is the same. These are normally errors, because the player and coach IDs are different (even for the same person!). 15 0.31 s
IBU biathlete ID (P2459) Check ID (none) 1 0.45 s
IGPCV ID (P2473) IGPCV sense referència amb URL Elements amb codi IGPCV sense cap referència que tingui una URL de la referència 11 0.96 s
IGPCV ID (P2473) No localitzat a un municipi valencià element amb codi IGPCV però no localitzat a un municipi del País Valencià (o una subdivisió seva, o una subdivisió d'una subdivisió seva) 2 0.31 s
has spin-off (P2512) Start date of the series should be before the start date of the series used as value Sample: NCIS starts before NCIS:LA. Check date or statement 8 0.09 s
category for recipients of this award (P2517) value label (1: should match regex) fix label or adjust regex for language at Property:P2517#P1552: complex constraint value label (Q100884525) 333 1.57 s
category for recipients of this award (P2517) value label (1: languages lacking a regex) determine a regex and add it at Property:P2517#P1552: complex constraint value label (Q100884525) 114 3.09 s
female form of label (P2521) Single value per language An item would generally have P2521 statement per language. TODO: define exceptions 100 2.05 s
Ramsar Sites Information Service ID (P2525) Items without ID Items that do have Ramsar site (Q20905436) in heritage designation (P1435), but not Ramsar Sites Information Service ID (P2525) 0 0.06 s
National Historic Sites of Canada ID (P2526) Items without ID Items that do have national historic site of Canada (Q1568567) in heritage designation (P1435), but not National Historic Sites of Canada ID (P2526) 1 0.44 s
National Historic Sites of Canada ID (P2526) Items with pictures but no Commons Category Items that do have image (P18), but not Commons category (P373) 82 0.56 s
WomenWriters ID (P2533) Probably death People with WomenWriters ID (P2533) born before the year 1900, but no date of death (P570) 11 1.26 s
WomenWriters ID (P2533) 20th-century writers without nationality People with WomenWriters ID (P2533) born after 1900, but no country of citizenship (P27) 3 0.74 s
WomenWriters ID (P2533) Not an author People with occupation (P106) but without a author (Q482980) profession 358 46.63 s
Nationalmuseum Sweden ID (P2538) Works with creator missing link List of works that are in collection (P195) Nationalmuseum (Q842858) and have creator (P170) set, but that creator doesn't have a Nationalmuseum Sweden ID (P2538) link 130 2.07 s
strand orientation (P2548) Without P31 and P279 (none) 2 33.57 s
repealed by (P2568) Check dates The repealed document was published after the repealing one 26 3.09 s
number of out-of-school children (P2573) Items that could use this property e.g. sovereign states 39 0.10 s
Australian Wetlands Code (P2584) Check location (without the prefix EXT) (none) 0 0.09 s
Australian Wetlands Code (P2584) Check location (with the prefix EXT) (none) 0 0.55 s
Statistics Indonesia language code (P2590) Don't have an article on idwiki (none) 774 0.20 s
cost of damage (P2630) Use a currency as a unit cost of dammage who don't use a curency as a unit. 0 0.56 s
place of detention (P2632) Real human with a fictional place of detention (none) 0 1.34 s
place of detention (P2632) Error in start or end date Negative interval between end date and start date 27 22.43 s
place of detention (P2632) Check registration number (none) 1 2.37 s
place of detention (P2632) 80+ years in the same jail (none) 0 21.65 s
place of detention (P2632) Distance between locations (none) 2 1.85 s
geography of topic (P2633) Items with P31='geography of geographic location' should be linked with this property Todo: find the item that could link it with P2633 33 1.02 s
geography of topic (P2633) value label (1: should match regex) fix label or adjust regex for language at Property:P2633#P1552: complex constraint value label (Q100884525) 110 28.77 s
geography of topic (P2633) value label (1: languages lacking a regex) determine a regex and add it at Property:P2633#P1552: complex constraint value label (Q100884525) 76 2.16 s
thickness (P2610) Check units Unit must to be a unit of length (Q1978718) 3 0.44 s
topographic isolation (P2659) value < distance to parent peak TODO: correct value or coordinates, adjust ranks, define exceptions 15 1.76 s
topographic prominence (P2660) value should be lower or equal to elevation TODO: correct value or elevation, adjust ranks, define exceptions 0 0.13 s
has part(s) of the class (P2670) Too much parts on Wikidata the qualifier "number/quantity" can specify the actual number of this kind of parts the item has. If Wikidata has actually more parts of this kind with "has part/part of" than this number there is an issue somewhere. For example if a sailboat has 3 mast but there is 40 of them on Wikidata. 0 timeout HTTP 504
rating certificate ID (P2676) Unique value per rating property Value must be unique within the rating system it applies to (but the same value may be used by multiple systems) 165 3.98 s
relative position within image (P2677) 2-d position on something that isn't a 2-d visual artwork This qualifier should only be used with depicts to indicate the location on a 2-d object or image that has a natural co-ordinate system. 0 timeout HTTP 504
elected in (P2715) Match P541 Target election should point back to the position using P541 (contested office) 100251 22.41 s
ISSF athlete ID (P2730) Country code (none) 0 1.31 s
disjoint union of (P2738) Overlapping subclasses Class which is a subclass of two classes listed as disjoint 37 40.06 s
disjoint union of (P2738) Missing subclass link Disjoint union of classes which are not listed as subclasses of the item 376 0.84 s
disjoint union of (P2738) Deprecation of P642 Replace of (DEPRECATED) (P642) with list item (P11260) 0 0.11 s
union of (P2737) Deprecation of P642 Replace of (DEPRECATED) (P642) with list item (P11260) 0 1.07 s
union of (P2737) Union used to list instances The values listed in the statements are actually instances of the class 56 0.93 s
Tate artist ID (P2741) Works with creator missing link List of works that are in collection (P195) Tate (Q430682) and have creator (P170) set, but that creator doesn't have a Tate artist ID (P2741) link 203 0.30 s
Tate artist ID (P2741) Works in wrong collection List of works that have a creator (P170) with Tate artist ID (P2741), but where the collection is set incorrectly to one of the parts of Tate instead Tate (Q430682). 119 0.08 s
Filmiroda rating (P2747) Check qualifier P2676 qualifier must meet regex "^F/1?\d{4}/[ADEJ]$" 0 1.90 s
CNC film rating (France) (P2758) Single value (other than warning) this property generally contains a single value other than warning (Q23817739) 36 0.20 s
CNC film rating (France) (P2758) Only warning present warning (Q23817739) needs to be accompanied by a category 0 0.60 s
EIRIN film rating (P2756) Check qualifier P2676 qualifier must meet regex "^(S\-)?1?[1-5]\d{3,4}$" 11 0.77 s
race time (P2781) Units in qualifiers The regular constraints check for units does not work with qualifier uses; this provides an alternative check which lists all qualifier uses where the unit used is not an instance of unit of time (Q1790144) or a subclass thereof. 20616 24.54 s
J. Paul Getty Museum object ID (P2582) In the museum without a link Items that have collection (P195) → J. Paul Getty Museum (Q731126), but that don't have a J. Paul Getty Museum object ID (P2582) link 98 0.18 s
EU Surface Water Body Code (P2856) Compare with Lake ID (Sweden) see Lake ID (Sweden) (P761) 91 0.39 s
property usage tracking category (P2875) value label (1: should match regex) fix label or adjust regex for language at Property:P2875#P1552: complex constraint value label (Q100884525) 72 3.58 s
property usage tracking category (P2875) value label (1: languages lacking a regex) determine a regex and add it at Property:P2875#P1552: complex constraint value label (Q100884525) 51 27.62 s
fax number (P2900) Check for country code Entries should start with "+" and the country code (+1 for US numbers) 0 timeout HTTP 504
Molendatabase verdwenen molens ID (P2903) Mill in the Netherlands without a link to any of the mill databases. instance of (P31) -> mill (Q44494) (or subclasses) and country (P17) -> Netherlands (Q55), but not Nederlandse Molendatabase ID (P2863), Hollandsche Molen ID (P2866) or Molendatabase verdwenen molens ID (P2903). 35 0.79 s
InterPro ID (P2926) Modified uniqueness constraint Lists items having identical values, except if one of the items is a protein domain (Q898273) and the other a protein family associated with domain (Q81505329), see discusion below. Please don't switch on the normal uniqueness constraint, use this instead. 1358 0.93 s
lighthouse range (P2929) Use for lighthouses Items for existing lighthouses would generally have this property 3072 1.02 s
Cultural heritage database in Austria ObjektID (P2951) Items without ID Items that do have Listed objects in Austria (Q1188447) in heritage designation (P1435), but neither Cultural heritage database in Austria ObjektID (P2951) nor Heritage Information System ID in the database of cultural heritage in Austria (P9154) 47 1.63 s
Cultural heritage database in Austria ObjektID (P2951) located in an administrative territorial entity different from an Austrian municipality cultural heritage located in an administrative territorial entity different from an Austrian municipality 1 1.41 s
Cultural heritage database in Austria ObjektID (P2951) Single value constraint violation not marked as an exception either fix or mark as an exception (add object causing the contraint violation to Cultural heritage database in Austria ObjektID (P2951), Property property constraint (P2302), single-value constraint (Q19474404), qualifier exception to constraint (P2303) 0 2.24 s
Cultural heritage database in Austria ObjektID (P2951) Find municipalities marked as cultural heritage monuments in Austria Error, as municipalities as a whole are not cultural heritage monuments in Austria 0 0.14 s
permanent duplicated item (P2959) At least one of the items needs P31 = Wikimedia permanent duplicate item (Q21286738) FIXME: Add missing P31=Q21286738 or remove P2959 1839 0.76 s
permanent duplicated item (P2959) Only one of the two items can have P31 = Wikimedia permanent duplicate item (Q21286738) FIXME: Remove P31=Q21286738 from one of the items or remove P2959 201 0.37 s
permanent duplicated item (P2959) Items for permanent duplicates and English labels FIXME: TBD (remove them?) 979 0.33 s
permanent duplicated item (P2959) Items for permanent duplicates and English description FIXME: replace with "Wikimedia permanent duplicate item" 1896 0.99 s
permanent duplicated item (P2959) Items for permanent duplicates and statements FIXME: TBD (remove statements other than P31=Q21286738 and P2959?) 500 5.45 s
permanent duplicated item (P2959) Items with P31 = Wikimedia permanent duplicate item (Q21286738) or P2959 should have at least one sitelink FIXME: Merge the items, add the missing sitelinks or remove P2959/Q21286738 243 1.50 s
permanent duplicated item (P2959) Items with P31 = Wikimedia permanent duplicate item (Q21286738) and P2959 should only have sitelinks to multi-langoid or multiscript websites FIXME: Move sitelink, remove P2959/Q21286738, define Q21286561/Q21286559 or define exceptions 3369 1.33 s
permanent duplicated item (P2959) Items with P31 = Wikimedia permanent duplicate item (Q21286738) and P2959 should only have links to sites that the other item has as well FIXME: Move sitelink to the other item or remove P31=Q21286738 if needed. 143 7.09 s
permanent duplicated item (P2959) Items with P31 = Wikimedia permanent duplicate item (Q21286738) should have this property FIXME: Add P2959 or remove P31=Q21286738, if needed replace P460 100 0.21 s
permanent duplicated item (P2959) Items with P31 = Wikimedia permanent duplicate item (Q21286738) and P460 FIXME: Add P2959 or remove P31=Q21286738, probably replace P460 0 0.90 s
archive date (P2960) Only on qualifiers and references use this property only on qualifiers and references 364 0.39 s
LBT person ID (P2977) Check correspondence between the year in the identifier and the year of death Check when the ID contain the year of death 0 0.90 s
World Archery athlete ID (P3010) Check P106 (none) 76 0.87 s
flag bearer (P3022) Qualify flag bearer with "of" and "opening ceremony" or "closing ceremony" (or their instances) Use flag bearer (P3022) with one of opening ceremony (Q3010369), closing ceremony (Q13454063) 0 0.25 s
KML file (P3096) Item likely to be linked from this property FIXME: add P3096 to the relevant item and link the item listed or define exceptions 30 0.44 s
KML file (P3096) value label (1: should match regex) fix label or adjust regex for language at Property:P3096#P1552: complex constraint value label (Q100884525) 12 9.12 s
KML file (P3096) value label (1: languages lacking a regex) determine a regex and add it at Property:P3096#P1552: complex constraint value label (Q100884525) 2 0.90 s
EDRPOU code (P3125) Partial validation of checksum documentation : http://1cinfo.com.ua/Articles/Proverka_koda_po_EDRPOU.aspx 0 0.17 s
parent peak (P3137) elevation of value should be higher correct values or elevation, define exceptions 57 4.72 s
birthday (P3150) P569 with dateprecision 11 Items with this property generally wouldn't have P569 with full precision date 500 0.25 s
birthday (P3150) P569 with dateprecision 9 or 10 Items with this property generally wouldn't have P569 with year of birth (and references of the same quality) 126 1.27 s
Olympic.org athlete ID (archived) (P3171) Without participation (P1344) Item with a Olympic.org athlete ID (archived) (P3171) identifier should have a participant in (P1344) claim for their Olympic participation 1156 2.97 s
Olympic.org athlete ID (archived) (P3171) Human without occupation (P106) Human items with an Olympic.org athlete ID (archived) (P3171) identifier should have a occupation (P106) claim 0 1.56 s
FANTOIR code (P3182) Localisation inconsistency Inconsistency between this identifier and the INSEE municipality code (P374) of the commune of the located in the administrative territorial entity (P131). 28 12.78 s
FANTOIR code (P3182) Type inconsistency Inconsistency between the type and the instance of (P31). 2507 19.18 s
FANTOIR code (P3182) Type inconsistency When there is multiple value, the Rivoli codes (last four digit before the final control key) should be the same. 0 timeout HTTP 504
Federal Heritage Buildings ID (Canada) (P3197) Items without ID Items that do have recognized federal heritage building of Canada (Q14451490) or classified federal heritage building of Canada (Q14480054) in heritage designation (P1435), but not Federal Heritage Buildings ID (Canada) (P3197) 3 0.08 s
UAI code (P3202) Inconsistency between the identifier and the location Place with identifier prefix indicating a departement but located in another departement. 21 26.10 s
UAI code (P3202) Check letter (key) See this example of check 1 14.67 s
Heritage Railway Station of Canada ID (P3209) Items without ID Items that do have Heritage Railway Station of Canada (Q3098283) in heritage designation (P1435), but not Heritage Railway Station of Canada ID (P3209) 1 0.06 s
Heritage Railway Station of Canada ID (P3209) Items with pictures but no Commons Category Items that do have image (P18), but not Commons category (P373) 11 0.13 s
Heritage Lighthouse of Canada ID (P3211) Items without ID Items that do have heritage lighthouse (Q15641550) in heritage designation (P1435), but not Heritage Lighthouse of Canada ID (P3211) 0 0.10 s
Heritage Lighthouse of Canada ID (P3211) Items with pictures but no Commons Category Items that do have image (P18), but not Commons category (P373) 11 0.11 s
SIRET number (P3215) Validate SIRET numbers Report organizations with incorrect SIRET numbers, found by validating the checksum 62 10.21 s
SIRET number (P3215) Inconsistency between SIRET and SIREN The first nine digit of the SIREN number should be the same as the SIRET number. 9 1.43 s
ClassInd rating (P3216) Missing ClassInd ID Items with this property should include either a ClassInd game ID (P8782) or a ClassInd audiovisual work ID (P8958) 159 0.23 s
Encyclopædia Universalis ID (P3219) Element without P31 and without P279 (and without P361) Element without P31 and without P279 (and without P361) 166 0.77 s
New York Times topic ID (P3221) Check person Rapid check 0 0.28 s
Corporate Number (Japan) (P3225) Invalid Corporate Number Corporate Number that have wrong checksum (see https://www.houjin-bangou.nta.go.jp/documents/checkdigit.pdf) 2 3.73 s
SCAR Composite Gazetteer place ID (P3230) Latitude should be south of 60 S The most northerly latitude in the SCAR dataset is 60 S, so items should not be further north than that. 0 3.47 s
Queensland place ID (P3257) In Queensland in Queensland (Q36074) 0 1.45 s
Fotografen.nl ID (P3269) RKDartists photographers without link People with RKDartists ID (P650) and occupation (P106) (or subclass) photographer (Q33231), but no Fotografen.nl ID (P3269) 16213 1.54 s
ICAA rating (P3306) Appendant category used without adequate main category Q27253957 can only be used alongside Q27253939 or Q27253940, and Q27253960 can only be used alongside any other except Q27253956 0 0.21 s
male form of label (P3321) Single value per language An item would generally have P2521 statement per language. TODO: define exceptions 100 1.92 s
PictoRight ID code (P3361) Death before 1940 People with RKDartists ID (P650) dead before the year 1940 2 0.14 s
PictoRight ID code (P3361) No visual artists People without a visual art profession 71 1.62 s
GECD person ID (P3366) Check filmmaking occupation Check filmmaking occupation (Q4220920) 37 0.12 s
Géopatronyme ID (P3370) Potentially missing statements items with name without diacritical marks (Q89410507), but no P3370 on target 0 1.56 s
Géopatronyme ID (P3370) Most frequent P734 values without property (France, nat) family names used as P734 values, but without a P3370 statement. Selection by nationality 41 15.07 s
Géopatronyme ID (P3370) Most frequent P734 values without property (France, POB) family names used as P734 values, but without a P3370 statement. Selection by place of birth 19 43.29 s
Auckland Art Gallery artist ID (P3372) Works with creator missing link List of works that are in collection (P195) Auckland Art Gallery Toi o Tāmaki (Q4819492) and have creator (P170) set, but that creator doesn't have a Auckland Art Gallery artist ID (P3372) link 62 0.28 s
Auckland Art Gallery artist ID (P3372) Probably death People with Auckland Art Gallery artist ID (P3372) born before the year 1900, but no date of death (P570) 31 0.33 s
sibling (P3373) Prefer over P1038 Items with at least one statement also in P1038. FIXME: remove redundant P1038 or fix P3373 200 0.41 s
sibling (P3373) Common parent Items with parents should share at least one parent. FIXME: check items for parents, correct/create item for common parent if needed 0 timeout
sibling (P3373) People with same parents should be siblings Two people who share the same parents, should be siblings by definition. For half-siblings, we could do a similar report. 10000 3.54 s
sibling (P3373) Duplicate statements Items that seem to have multiple statements about the same sibling. User:KrBot might remove them. 0 timeout HTTP 504
sibling (P3373) Birthdates too far away Items that are siblings but with birthdate more than 100 years away. 998 32.49 s
sibling (P3373) Sibling is the person self A person can never be a sibling of himself/herself 3 0.79 s
start period (P3415) Value should not be a calendar date Dates should use start time (P580) instead. 213 0.20 s
end period (P3416) Value should not be a calendar date Dates should use end time (P582) instead. 134 0.48 s
Belvedere artist ID (P3421) Works with creator missing link List of works that are in collection (P195) Belvedere (Q303139) and have creator (P170) set, but that creator doesn't have a Belvedere artist ID (P3421) link 561 0.24 s
Belvedere artist ID (P3421) Probably death People with Belvedere artist ID (P3421) born before the year 1900, but no date of death (P570) 10 0.23 s
INSEE arrondissement code (P3423) Inconsistency between arrondissement and departement Place with identifier prefix indicating a departement but located in another departement. 42 1.09 s
AS.com athlete ID (P3427) Incompatible date of birth Person was born in a time that as.com doesn't record 13 0.95 s
AS.com athlete ID (P3427) Not a sportsperson Person has no defined sport nor occupation related to sports 4 0.58 s
sports season of league or competition (P3450) Labels of items would generally have a year in it TODO: correct English label, remove statement or define exceptions 100 2.52 s
sports season of league or competition (P3450) Specify "operating area" for UK values TODO: if the value has country (P17)=United Kingdom (Q145), please add operating area (P2541). Sample: Q2267464 243 1.27 s
sports season of league or competition (P3450) Item with Q27020041 would generally have this property TODO: add P3450 100 0.60 s
sports season of league or competition (P3450) Value shouldn't be a disambiguation page TODO: change value 100 0.34 s
nighttime view (P3451) Short filename (none) 100 0.88 s
inferred from (P3452) Two inverse statements inferred from each other Two inverse statements inferred from each other 0 52.66 s HTTP 0
WikiSkripta article ID (P3471) Element without P31 and without P279 (and without P361) Element without P31 and without P279 (and without P361) 64 0.18 s
Te Papa agent ID (P3544) Works with creator missing link List of works that are in collection (P195) Museum of New Zealand Te Papa Tongarewa (Q915603) and have creator (P170) set, but that creator doesn't have a Te Papa agent ID (P3544) link 148 0.96 s
Te Papa agent ID (P3544) Probably death People with Te Papa agent ID (P3544) born before the year 1900, but no date of death (P570) 25 1.04 s
Australian Business Number (P3548) Leading two check digits in an ABN must be correct Algorithm for checking whether the leading two check digits are correct 2 0.45 s
Australian Company Number (P3549) ACNs must be a substring of OpenCorporate IDs (none) 17 0.09 s
Australian Company Number (P3549) Items with an ACN should also have an ABN and the ABN must include the ACN as the last 9 digits ABNs include the ACN as the last 9 digits 14 0.38 s
candidacy in election (P3602) Elected, but not a candidate People who got elected in an election, but don't have the candidacy in election (P3602) statement for the election 119345 5.52 s
The Met object ID (P3634) In the MET without a link Items that have collection (P195) -> Metropolitan Museum of Art (Q160236), but that don't have a The Met object ID (P3634) link 500 4.25 s
number of subscribers (P3744) Before 1700 (none) 0 0.06 s
number of subscribers (P3744) unit violations when used as qualifier: list detailed list 244 7.58 s
Artnet artist ID (P3782) Probably death People with Artnet artist ID (P3782) born before the year 1900, but no date of death (P570) 739 6.41 s
Artnet artist ID (P3782) 20th-century artists without nationality People with Artnet artist ID (P3782) born after 1900, but no country of citizenship (P27) 1000 4.06 s
Artnet artist ID (P3782) No profession in visual art or design People with occupation (P106) but without a visual artist (Q3391743) or designer (Q5322166) profession 1000 9.38 s
Dictionary of Sydney ID (P3794) natural_feature and place codes should all have coords (none) 69 0.40 s
BoF person ID (P3814) Human without occupation human (Q5) without occupation (P106) 8 0.27 s
RTC film rating (P3834) Check AA, A, B (none) 1 0.38 s
Justia Patents inventor ID (P3874) Incompatible date of birth Person lived in a time that Justia Patents doesn't record 0 0.10 s
category for alumni of educational institution (P3876) value label (1: should match regex) fix label or adjust regex for language at Property:P3876#P1552: complex constraint value label (Q100884525) 88 14.94 s
category for alumni of educational institution (P3876) value label (1: languages lacking a regex) determine a regex and add it at Property:P3876#P1552: complex constraint value label (Q100884525) 100 4.36 s
Boijmans artist ID (P3888) Works with creator missing link List of works that are in collection (P195) Museum Boijmans Van Beuningen (Q679527) and have creator (P170) set, but that creator doesn't have a Boijmans artist ID (P3888) link 896 0.36 s
Boijmans artist ID (P3888) Probably death People with Boijmans artist ID (P3888) born before the year 1900, but no date of death (P570) 31 0.77 s
Boijmans artist ID (P3888) No profession in visual art, craft or design People with occupation (P106) but without a visual artist (Q3391743), artisan (Q1294787) or designer (Q5322166) profession 266 15.48 s
last words (P3909) English words before English existed Person with English last words who died before the year 400 1 0.08 s
face value (P3934) Coins would generally have this TODO: add property if applicable 1000 0.22 s
face value (P3934) Stamps would generally have this TODO: add property if applicable 0 0.08 s
face value (P3934) Banknotes would generally have this TODO: add property if applicable 133 0.10 s
Global Trade Item Number (P3962) Trailing check digit in a GTIN must be correct Algorithm for checking whether the trailing check digit is correct 40 0.57 s
Global Trade Item Number (P3962) GTIN matches ISBN Use ISBN-13 (P212) instead of Global Trade Item Number (P3962) for published works. 76 0.20 s
PIM authority ID (P3973) Missing P106 (none) 7 1.72 s
Clochers de France ID (P3963) Identifiants incorrects (département) Identifiant correspondant à une église située dans un autre département selon le code INSEE 4 7.88 s
Clochers de France ID (P3963) Identifiants incorrects (commune) Identifiant correspondant à une église située dans une autre commune selon le code INSEE 2431 10.48 s
Semantic Scholar author ID (P4012) Possibly malformed entries check if family name and given names aren't inverted 7 29.21 s
Pinakothek artist ID (P4025) Works with creator missing link List of works that are in collection (P195) Bavarian State Painting Collections (Q812285) and have creator (P170) set, but that creator doesn't have a Pinakothek artist ID (P4025) link 3001 6.59 s
Pinakothek artist ID (P4025) Probably death People with Pinakothek artist ID (P4025) born before the year 1900, but no date of death (P570) 15 0.40 s
Ontario Heritage Act Register ID (P4120) Items with pictures but no Commons Category Items that do have image (P18), but not Commons category (P373) 1018 0.17 s
Ontario Heritage Act Register ID (P4120) Items without ID Items that do have designated heritage property (part IV) (Q15080599) in heritage designation (P1435), but not Ontario Heritage Act Register ID (P4120) 16 0.18 s
Who's Who in France biography ID (P4124) No link with France link with France not found 15 1.44 s
Who's Who in France biography ID (P4124) Suggestion: under 19 year old (none) 0 1.95 s
linguistic typology (P4132) Use instead of P31/P279 values used with this property shouldn't be in P31/P279 1 0.10 s
muzzle velocity (P4137) Check units Unit must to be a unit of speed (Q15222637) 2 0.14 s
Czech Registration ID (IČO) (P4156) Validate czech organization numbers Report organizations with incorrect organization numbers, found by validating the checksum 0 1.30 s
Wikimedia username (P4174) WMDE (none) 0 0.89 s
Wikimedia username (P4174) WMF (none) 0 0.88 s
Finnish National Gallery artist ID (P4177) Works with creator missing link List of works that are in collection (P195) Finnish National Gallery (Q2983474) and have creator (P170) set, but that creator doesn't have a Finnish National Gallery artist ID (P4177) link 435 1.53 s
Finnish National Gallery artist ID (P4177) Probably death People with Finnish National Gallery artist ID (P4177) born before the year 1900, but no date of death (P570) 7 0.64 s
Christie's creator ID (P4200) Works with creator missing link List of works that have Christie's object ID (P3783) set, but that creator doesn't have a Christie's creator ID (P4200) link 702 0.23 s
Christie's creator ID (P4200) Probably death People with Christie's creator ID (P4200) born before the year 1900, but no date of death (P570) 111 1.29 s
Tyrolean Art Cadastre inventory ID (P4219) located in an administrative territorial entity different from an Austrian municipality Tyrolean art located in an administrative territorial entity different from an Austrian municipality 1 0.64 s
category contains (P4224) Q59542487 missing P4224 Wikimedia category (Q59542487)s should define their membership semantics using category contains (P4224) and relevant qualifiers (when applicable). 0 0.05 s
PatientsLikeMe treatment ID (P4235) Chemical entities with no indication of use as a drug Every item with PatientsLikeMe treatment ID (P4235) statement and instance of (P31)type of chemical entity (Q113145171) that has no has use (P366)medication (Q12140). In combination with other constraints it would allow in the future to properly move pharmacology-related statements from items about groups of isomers to items about specific isomer or to items about mixtures of isomers. 99 0.31 s
Tagesschau election ID (P4247) Check the date in id (none) 0 0.08 s
defined daily dose (P4250) Chemical entities with no indication of use as a drug Every item with defined daily dose (P4250) statement and instance of (P31)type of chemical entity (Q113145171) that has no has use (P366)medication (Q12140). In combination with other constraints it would allow in the future to properly move pharmacology-related statements from items about groups of isomers to items about specific isomer or to items about mixtures of isomers. 130 0.69 s
Gallica ID (P4258) Items using this property should have P268 or P12207 Query looks if both are absent. 354 1.76 s
New York City Landmarks Preservation Commission ID (P4273) Items without ID Items that do have New York City Landmark (Q19825927) in heritage designation (P1435), but not New York City Landmarks Preservation Commission ID (P4273) 16 0.72 s
New York City Landmarks Preservation Commission ID (P4273) Items whitout listing date Items that do have New York City Landmark (Q19825927) in heritage designation (P1435), but not the qualifier start time (P580). 9 0.62 s
New York City Landmarks Preservation Commission ID (P4273) Items with pictures but no Commons Category Items that do have image (P18), but not Commons category (P373) 89 0.14 s
LUMIERE director ID (P4283) Check P106 (none) 3 0.10 s
Nominis given name ID (P4284) Names would generally match compare with native label (P1705) on item 100 0.65 s
PM20 folder ID (P4293) Check item with `pe` prefix (none) 1 2.89 s
IDESCAT territorial code in Catalonia (P4335) Divisions sense codi Comarques, municipis o entitats municipals decentralitzades sense codi IDESCAT 0 0.46 s
National Trust Collections ID (P4373) In the National Trust Collection without a link Items that have collection (P195) -> National Trust (Q333515), but that don't have a National Trust Collections ID (P4373) link 81 0.87 s
Opera Vivra singer ID (P4407) Check main value of voice type (none) 10 0.14 s
Sportbox.ru ID (P4421) Check P106 (none) 167 0.87 s
Ecole des chartes thesis abstract ID (P4465) Check the date in id (none) 0 0.12 s
INDUCKS character ID (P4479) P1441 or P1080 missing (none) 20 0.24 s
INDUCKS creator ID (P4481) Missing P106 on human (none) 76 0.13 s
IBTrACS cyclone ID (P4540) Check range 0-359 NNN is the rounded longitude of the first recorded observation of the storm (range 0-359) 0 0.15 s
Gymn Forum athlete ID (P4546) women, men Check sex or gender (P21) and ID 0 0.07 s
mountain range (P4552) Replaces other properties Other properties to link item and value are generally not need. named after (P138) can remain as it's about the name of the dam. 2305 2.00 s
Art Museum of Estonia artist ID (P4563) Works with creator missing link List of works that are in collection (P195) Art Museum of Estonia (Q1754105) or have Art Museum of Estonia artwork ID (P4564) and have creator (P170) set, but that creator doesn't have a Art Museum of Estonia artist ID (P4563) link 5 0.07 s
Art Museum of Estonia artist ID (P4563) Probably death People with Art Museum of Estonia artist ID (P4563) born before the year 1900, but no date of death (P570) 3 0.14 s
Art Museum of Estonia artist ID (P4563) 20th-century artists without nationality People with Art Museum of Estonia artist ID (P4563) born after 1900, but no country of citizenship (P27) 8 0.31 s
Art Museum of Estonia artist ID (P4563) No profession in visual art or design People with occupation (P106) but without a visual artist (Q3391743) or designer (Q5322166) profession 143 1.21 s
Berlinische Galerie artist ID (P4580) Works with creator missing link List of works that are in collection (P195) Berlinische Galerie (Q700222), have Berlinische Galerie object ID (P13197) and have creator (P170) set, but that creator doesn't have a Berlinische Galerie artist ID (P4580) link 0 0.24 s
Berlinische Galerie artist ID (P4580) Probably death People with Berlinische Galerie artist ID (P4580) born before the year 1900, but no date of death (P570) 7 0.20 s
Berlinische Galerie artist ID (P4580) 20th-century artists without nationality People with Berlinische Galerie artist ID (P4580) born after 1900, but no country of citizenship (P27) 249 0.20 s
Berlinische Galerie artist ID (P4580) No profession in visual art or design People with occupation (P106) but without a visual artist (Q3391743) or designer (Q5322166) profession 137 3.56 s
Städel Museum artist ID (P4581) Works with creator missing link List of works that are in collection (P195) Städel Museum (Q163804) and have creator (P170) set, but that creator doesn't have a Städel Museum artist ID (P4581) link 368 0.32 s
Städel Museum artist ID (P4581) Probably death People with Städel Museum artist ID (P4581) born before the year 1900, but no date of death (P570) 10 0.58 s
Städel Museum artist ID (P4581) 20th-century artists without nationality People with Städel Museum artist ID (P4581) born after 1900, but no country of citizenship (P27) 3 0.73 s
Städel Museum artist ID (P4581) No profession in visual art or design People with occupation (P106) but without a visual artist (Q3391743) or designer (Q5322166) profession 84 4.80 s
ARTIC artwork ID (P4610) In the Museum without a link Items that have collection (P195) -> Art Institute of Chicago (Q239303), but that don't have a ARTIC artwork ID (P4610) link 161 0.68 s
drainage basin (P4614) Replaces other properties Other properties to link item and value are generally not need. named after (P138) can remain as it's about the name of the dam. 0 timeout HTTP 504
EK number (P4627) Items with incomplete collection provenance All items should have collection (P195) set to "degenerate art" collection (Q111796449), but that shouldn't be the current (preferred) value 2236 0.45 s
EK number (P4627) Items with EK inventory number missing identifier Items that have an inventory number (P217) in "degenerate art" collection (Q111796449), but EK number (P4627) is missing 1 0.29 s
EK number (P4627) Items with EK collection missing identifier Items that have an collection (P195) set to "degenerate art" collection (Q111796449), but EK number (P4627) is missing 2 0.22 s
EK number (P4627) Items with EK identifier missing inventory number Items that have EK number (P4627), but an inventory number (P217) with the same value is missing. Might give some false positives. 18 1.25 s
Philadelphia Art Museum work ID (P4643) In the Museum without a link Items that have collection (P195) -> Philadelphia Art Museum (Q510324), but that don't have a Philadelphia Art Museum work ID (P4643) link 194 2.54 s
ESCO skill ID (P4644) Items without P31 and without P279 (none) 41 0.18 s
RCR number (P4645) Id comparison with ISIL RCR id for France should be the same as ISIL id (without the FR- prefix) ISIL (P791) 9 0.12 s
RCR number (P4645) Id comparison with INSEE code RCR id first 5 character for France should be the same as INSEE code INSEE municipality code (P374) 17 0.17 s
reservoir created (P4661) Replaces other properties Other properties to link item and value are generally not need. named after (P138) can remain as it's about the name of the dam. 43 1.90 s
reservoir created (P4661) Might replace others This property might be used to replace other currently used properties. List of samples only, due to timeout problems. 3 9.71 s
DACS ID (former) (P4663) No profession in visual art or design People with occupation (P106) but without a visual artist (Q3391743) or designer (Q5322166) profession 1000 32.91 s
DACS ID (former) (P4663) Sporters People with occupation (P106) with athlete (Q2066131) as profession 210 27.91 s
Museum of Fine Arts, Houston object ID (P4673) In the Museum without a link Items that have collection (P195) -> Museum of Fine Arts, Houston (Q1565911), but that don't have a Museum of Fine Arts, Houston object ID (P4673) link 53 0.17 s
Indianapolis Museum of Art artwork ID (P4674) In the Museum without a link Items that have collection (P195) -> Indianapolis Museum of Art (Q1117704), but that don't have a Indianapolis Museum of Art artwork ID (P4674) link 126 0.20 s
National Gallery of Art artwork ID (P4683) In the Museum without a link Items that have collection (P195) -> National Gallery of Art (Q214867), but that don't have a National Gallery of Art artwork ID (P4683) link 127 7.29 s
National Gallery of Victoria artwork ID (P4684) In the Museum without a link Items that have collection (P195) -> National Gallery of Victoria (Q1464509), but that don't have a National Gallery of Victoria artwork ID (P4684) link 35 1.97 s
Carnegie Museum of Art artwork ID (P4686) In the museum without a link Items that have collection (P195) -> Carnegie Museum of Art (Q1043967), but that don't have a Carnegie Museum of Art artwork ID (P4686) link 500 0.11 s
Oireachtas member ID (P4690) Check year (none) 0 0.82 s
Smithsonian American Art Museum artwork ID (P4704) In the museum without a link Items that have collection (P195) -> Smithsonian American Art Museum (Q1192305), but that don't have a Smithsonian American Art Museum artwork ID (P4704) link 22 0.72 s
Barnes Foundation ID (P4709) In the museum without a link Items that have collection (P195) → Barnes Foundation (Q808462), but that don't have a Barnes Foundation ID (P4709) link 2 0.17 s
Minneapolis Institute of Art artwork ID (P4712) In the museum without a link Items that have collection (P195) → Minneapolis Institute of Art (Q1700481), but that don't have a Minneapolis Institute of Art artwork ID (P4712) link 57 0.54 s
Walters Art Museum artwork ID (P4713) In the museum without a link Items that have collection (P195) → Walters Art Museum (Q210081), but that don't have a Walters Art Museum artwork ID (P4713) link 121 0.11 s
Solomon R. Guggenheim Foundation artwork ID (P4737) In the museum without a link Items that have collection (P195) → Solomon R. Guggenheim Museum (Q201469), but that don't have a Solomon R. Guggenheim Foundation artwork ID (P4737) link 165 0.24 s
Yale Center for British Art artwork ID (P4738) In the museum without a link Items that have collection (P195) → Yale Center for British Art (Q6352575), but that don't have a Yale Center for British Art artwork ID (P4738) link 500 0.16 s
Musée des Augustins artwork ID (P4739) In the museum without a link Items that have collection (P195) → Musée des Augustins (Q2711480), but that don't have a Musée des Augustins artwork ID (P4739) link 500 0.34 s
Brooklyn Museum artwork ID (P4740) In the museum without a link Items that have collection (P195) → Brooklyn Museum (Q632682), but that don't have a Brooklyn Museum artwork ID (P4740) link 500 0.27 s
Commons compatible image available at URL (P4765) Items with creators without date of death These items have a known creator, but we don't know when the creator died so no way to know the work is in the public domain due to age. 1000 0.46 s
Commons compatible image available at URL (P4765) Items with anonymous creator and no inception These items have an unknown creator and no inception so no way to know the work is in the public domain due to age. 282 0.34 s
Commons compatible image available at URL (P4765) Items with creator who died after 1923 and no inception After 1923 copyright starts getting more complicated. We need to know the inception to figure out if it's in the public domain. 1000 1.89 s
Commons compatible image available at URL (P4765) Items with creator who died after 1923 and the creator has no country of citizenship After 1923 copyright starts getting more complicated. We need to know the country of citizenship (P27) to figure out if it's in the public domain. 280 2.68 s
Basketball Reference international player ID (P4790) Missing international league/tournament All players with this property should have played in one of the leagues or cups included in Basketball-Reference.com's international section 12963 1.80 s
LC and MARC vocabularies ID (P4801) Check prefix 'languages' (none) 568 0.81 s
LC and MARC vocabularies ID (P4801) Check prefixes (none) 1303 0.27 s
LC and MARC vocabularies ID (P4801) Check prefix 'ethnographicTerms' (none) 0 0.10 s
Wolfram Language entity code (P4839) First part should be a value of Wolfram Language entity type (P7497) type is currently not a value of Wolfram Language entity type (P7497) 18 7.31 s
Wolfram Language entity code (P4839) Check Entity name Check Entity listed in nhttps://reference.wolfram.com/language/guide/EntityTypes.html 381 20.50 s
Web umenia creator ID (P4887) Paintings with creator missing link List of paintings in collection (P195) Slovak National Gallery (Q1744024) with creator that doesn't have a Web umenia creator ID (P4887) link (can be expanded later to more types of works or more collections). 969 0.84 s
Web umenia creator ID (P4887) Probably death People with Web umenia creator ID (P4887) born before the year 1900, but no date of death (P570) 39 0.62 s
Web umenia creator ID (P4887) 20th-century artists without nationality People with Web umenia creator ID (P4887) born after 1900, but no country of citizenship (P27) 1000 1.12 s
Web umenia creator ID (P4887) No profession in visual art or design People with occupation (P106) but without a visual artist (Q3391743) or designer (Q5322166) profession 226 6.11 s
season (P4908) Ordinal qualifier would generally be unique within season define exceptions when needed 276 6.52 s
season (P4908) Ordinal qualifier on series statement would generally be unique within series define exceptions when needed 363 26.93 s
season (P4908) Episode titles are generally unique Currently checks English labels. Excludes a few series with repeating titles 2941 23.59 s
season (P4908) Label of season should be different from series Seasons generally have a label in the format "[name of series], season [number]". Sometimes bot create items stripping the season number. Limited to English. See Wikidata:WikiProject_Movies/reports/TV_seasons/label/as_series. 0 2.64 s
season (P4908) Episodes generally have this property Episodes of television series with multiple seasons generally have this property. Limited to 500. 500 34.59 s
season (P4908) Episodes generally have this property (count by series) Series with most episodes lacking P4908. Limited to 100. 50 9.50 s
SFMOMA artist ID (P4936) Works with creator missing link List of works that are in collection (P195) San Francisco Museum of Modern Art (Q913672) and have creator (P170) set, but that creator doesn't have a SFMOMA artist ID (P4936) link 406 0.14 s
safety classification and labelling (P4952) NFPA 704 data without any of the 4 mandatory qualifiers NFPA 704 (safety classification and labelling (P4952) with NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response (Q51139288) value) should always have all 4 qualifiers (NFPA Special (P877)/NFPA Health (P993)/NFPA Fire (P994)/NFPA Instability (P995)), even if some of them have no value 344 0.55 s
safety classification and labelling (P4952) European GHS data without any of the 4 mandatory qualifiers GHS data based on European Union's CLP Regulation should always have all 4 qualifiers (GHS hazard pictogram (P5040)/GHS signal word (P1033)/GHS hazard statement (P5041)/GHS precautionary statement (P5042)), even if some of them have no value 3 0.14 s
paris.fr lieux ID (P4959) Missing Paris.fr ID (none) 7 0.26 s
National Thesis Number (France) (P5005) Validate publication date (none) 0 0.05 s
talk show guest (P5030) Candidates (currently with P161 on program) fix me or define exceptions/correct query 34 1.70 s
National Library of Korea ID (P5034) Check year in ID (none) 0 2.45 s
National Library of Korea ID (P5034) Check year in ID with date of birth (none) 2 9.18 s
non-operating temperature (P5067) Check units Unit must to be a temperature scale (Q2394680) 50 0.15 s
FIPS 5-2 alpha code (US states) (P5086) Population numbers should be less than 5 years old Suggestion: add data with population (P1082) 56 0.10 s
Directory of Open Access Journals ID (P5115) Value not in P236 (none) 176 3.46 s
Wikimedia outline (P5125) Label English labels should start with "outline of " 12 0.31 s
Wikimedia outline (P5125) Outlines should be linked with this property Outlines not used as value of this property 153 0.17 s
item for this sense (P5137) same language senses that are equivalent to the same item should be synonym if sense Aitem for this sense (P5137)item, sense Bitem for this sense (P5137)item, and "sense A" and "sense B" are different senses but their lexemes belong to the same language, then sense Asynonym (P5973)sense B. 0 timeout HTTP 504
season of club or team (P5138) Instances of team seasons should have this property To do: expand to subclasses 100 0.25 s
IGAC rating (P5150) Check qualifier P2676 qualifier must meet regex "^[1-9]\d{0,3}/20[0-2]\d$" 0 0.31 s
applies to name of subject (P5168) qualifier value would generally be a label or an alias of the item check if the property is used correctly or add an alias 50 5.57 s
KIT Linked Open Numbers ID (P5176) Equivalent to numeric value Value should be equivalent to value in numeric value (P1181) 0 4.42 s
KIT Linked Open Numbers ID (P5176) Items for numbers up to 10000 should be available (none) 0 1.37 s
grammatical gender (P5185) Value should be one of has grammatical gender (P5109) used on language item TODO: add with has grammatical gender (P5109) to language, fix lexeme or define exception 500 34.32 s
grammatical gender (P5185) Catalan nouns/proper nouns should have this TODO: add appropriate value 1 0.10 s
grammatical gender (P5185) French nouns/proper nouns should have this TODO: add appropriate value 200 2.22 s
grammatical gender (P5185) Italian nouns/proper nouns should have this TODO: add appropriate value 200 9.10 s
grammatical gender (P5185) Latin nouns/proper nouns should have this TODO: add appropriate value 200 4.94 s
grammatical gender (P5185) Polish nouns/proper nouns should have this TODO: add appropriate value 200 0.35 s
grammatical gender (P5185) Portuguese nouns/proper nouns should have this TODO: add appropriate value 138 0.44 s
grammatical gender (P5185) Spanish nouns/proper nouns should have this TODO: add appropriate value 200 5.12 s
word stem (P5187) Inconsistency between the languages Language of the stem should be the same as the language of the main lemma. 349 5.88 s
BAG public space ID (P5207) Streets in the Netherlands without BAG link street (Q79007) (and subclasses) with country (P17) Netherlands (Q55) that don't have a BAG public space ID (P5207) link and don't have dissolved, abolished or demolished date (P576) 462 18.12 s
Information Center for Israeli Art artwork ID (P5223) Items with creator not linked to Information Center for Israeli Art artist ID Items that have creator (P170), but that item doesn't have Information Center for Israeli Art artist ID (P1736) and also not said to be the same as (P460). Missing link can probably be added 19 0.10 s
prime factor (P5236) Items with self-links should be prime numbers (none) 100 13.51 s
prime factor (P5236) Items with prime factor 2 should be even numbers (none) 17 9.14 s
prime factor (P5236) Check on numeric values FIXME. Currently just sum of factors, not product nor qualifier. See Wikidata:Request_a_query#Multiplication_(a*b*c)/PRODUCT()_instead_of_SUM(?factor) 0 18.83 s
prime factor (P5236) A factor should be listed just once Use qualifier "quantity" instead 0 10.36 s
prime factor (P5236) Check value of factors Doesn't work for very large numbers 0 6.54 s
prime factor (P5236) Even numbers should have prime factor 2 (none) 11 10.97 s
prime factor (P5236) Natural numbers would generally have this property (none) 1 0.06 s
Artists in Canada record number (P5239) Canadian artists in the National Gallery missing link Canadian artists (country of citizenship (P27) -> Canada (Q16)) with National Gallery of Canada artist ID (P5368), but no Artists in Canada record number (P5239) link 462 0.27 s
Dordrechts Museum artwork ID (P5265) Works in the collection missing identifier List of works that have collection (P195) set to Dordrechts Museum (Q2874177), but no Dordrechts Museum artwork ID (P5265) statement 64 2.19 s
Dordrechts Museum artwork ID (P5265) Missing inventory number in collection Works that are supposed to be in a collection, but miss an inventory number in that collection. Often duplicates or previous collections where current collection(s) haven't been set to preferred. 234 0.57 s
residual stroke count (P5281) Constraint between P5205 and P5281 Residual stroke count must be less than total stroke count 34 5.91 s
Taratata artist ID (P5291) P106 missing on humain (none) 7 0.57 s
Taratata artist ID (P5291) Check P106 (none) 9 0.26 s
Museo del Prado artist ID (P5321) Works with creator missing link List of works that are in collection (P195) Museo del Prado (Q160112) and have creator (P170) set, but that creator doesn't have a Museo del Prado artist ID (P5321) link 718 0.53 s
Museo del Prado artist ID (P5321) No profession in visual art or design People with occupation (P106) but without a visual artist (Q3391743) or designer (Q5322166) profession 99 3.76 s
attested in (P5323) Frequency of first names > 100000 (in a country) and not the top 10 (none) 0 5.06 s
National Gallery of Canada artist ID (P5368) Works with creator missing link List of works that are in collection (P195) National Gallery of Canada (Q1068063) and have creator (P170) set, but that creator doesn't have a National Gallery of Canada artist ID (P5368) link 538 0.26 s
National Gallery of Canada artist ID (P5368) No profession in visual art or design People with occupation (P106) but without a artist (Q483501) (maybe replace with visual artist (Q3391743) later) or designer (Q5322166) profession 1000 11.65 s
Norwegian Polar Institute place name ID (P5391) Unexpected coordinates Coordinates should be near Svalbard, Jan Mayen, Bouvet Island, Peter I Island or Queen Maud Land. 5 1.17 s
homograph lexeme (P5402) Not the same language Lexemes using this property should both use the same language item. 91 4.95 s
number of viewers/listeners (P5436) References (none) 17736 43.60 s
model year (P5444) Model year ±1 ≥ year of first commercialization of car model correct date of commercialization (P5204) on item for car model or define exception(s) 0 0.13 s
model year (P5444) Model year ≤ discontinued date of car model correct discontinued date (P2669) on item for car model or define exception(s) 0 0.09 s
RHE doctor ID (P5459) Born in 1940+ (none) 3 0.28 s
model year code (P5461) Year should be ≥ 1980 TO DO: check values 0 0.06 s
artist-info curator ID (P5488) Suggestion: Less than 5 statements (none) 0 0.13 s
BD Gest' author ID (P5491) People who died on January 1 (none) 21 4.51 s
BD Gest' author ID (P5491) People born on January 1 (none) 176 2.86 s
Boijmans work ID (P5499) Artworks with creator not linked to Boijmans artists Items that have creator (P170), but that item doesn't have Boijmans artist ID (P3888). Missing link can probably be added 12 0.89 s
Boijmans work ID (P5499) Artworks in the Boijmans collection without a link Items that have collection (P195) set to Museum Boijmans Van Beuningen (Q679527) (without the ones with an end time (P582)), but that item doesn't have Boijmans work ID (P5499). Missing link can probably be added 321 0.84 s
Boijmans work ID (P5499) Artworks in the Boijmans collection using a described at URL (P973) to the Boijmans website Items that have collection (P195) set to Museum Boijmans Van Beuningen (Q679527) which have a link to the Boijmans website. Some formats can easily be moved, others need checking before moving 119 0.46 s
Belgian Heritage in Brazil ID (P5528) Country is not set to Brazil Non-person items where the country is not set to Brazil (Q155) 0 0.10 s
invasive to (P5588) P183=samevalue and P5588=samevalue (none) 1 0.19 s
Inventory of Quebec's Places of Worship ID (P5599) built before 1975 (none) 5 0.15 s
Académie de Montpellier member ID (P5661) Check P106 when exists (none) 16 1.77 s
heat deflection temperature (P5682) Check units Unit must to be a temperature scale (Q2394680) 1 0.08 s
Pontificia Università della Santa Croce ID (P5739) labels with parentheses see Help:Label: labels shouldn't generally include that. As appropriate, split text between label, description, alias 27 47.71 s
editor-in-chief (P5769) Properties (none) 228 0.46 s
Cranach Digital Archive artwork ID (P5783) Lucas Cranach paintings missing link List of works that have a creator (P170) or uncertain creator set to Lucas Cranach the Elder (Q191748) or Lucas Cranach the Younger (Q170339), but no Cranach Digital Archive artwork ID (P5783) link 154 0.31 s
Cranach Digital Archive artwork ID (P5783) Paintings missing Lucas Cranach creator List of works that have Cranach Digital Archive artwork ID (P5783), but no creator (P170), or creator (P170) with no uncertain creator set to Lucas Cranach the Elder (Q191748) or Lucas Cranach the Younger (Q170339), or creator (P170) not stated in (P248) Cranach Digital Archive (Q26161508) 845 0.56 s
Belvedere object ID (P5823) Artworks in the Belvedere collection without a link Items that have collection (P195) set to Belvedere (Q303139) (without the ones with an end time (P582)), but that item doesn't have Belvedere object ID (P5823). Missing link can probably be added 34 1.58 s
Belvedere object ID (P5823) Loans in the Belvedere collection without qualifier Items that have collection (P195) set to Belvedere (Q303139) and inventory number (P217) that starts with "Lg" should have qualifier subject has role (P2868) set to long-term loan (Q94796160) 205 0.24 s
DxOMark ID (P5906) Check brand Check brand (P1716) 3 0.37 s
ID of Inventory of the Archaeological and Paleontological Heritage of Catalonia (P5957) EPA catalans sense IPAPC elements amb estatus patrimonial Espai de Protecció Arqueològica localitzats a Catalunya sense codi IPAPC 0 54.52 s
ID of Inventory of the Archaeological and Paleontological Heritage of Catalonia (P5957) No localitzat a un municipi de Catalunya element amb identificador IPAPC però no localitzat a un municipi de Catalunya (o una subdivisió seva, o una subdivisió d'una subdivisió seva) 2 0.22 s
CPPAP ID (P5968) Check year (format: MMYY in MMYY X 11111) Max year : 5 source 0 0.09 s
synonym (P5973) Synonym senses can't be equivalent to different items if sense Asynonym (P5973)sense B, then the value of sense Aitem for this sense (P5137) and the value of sense Bitem for this sense (P5137) should be the same. 2022 1.66 s
category for films in this language (P5996) categories for films by language should be values of a statement with this property TODO add P5996 to language item 6 1.05 s
category for films in this language (P5996) value label (1: should match regex) fix label or adjust regex for language at Property:P5996#P1552: complex constraint value label (Q100884525) 9 10.50 s
category for films in this language (P5996) value label (1: languages lacking a regex) determine a regex and add it at Property:P5996#P1552: complex constraint value label (Q100884525) 53 0.35 s
uses capitalization for (P6106) Month names with capitals e.g. in English ("January"). Uses calendar month (Q47018901) on values of item for this sense (P5137) 28 0.48 s
uses capitalization for (P6106) Proper nouns with capitals e.g. in French (" Maurétanie"). Uses proper noun (Q147276) as lexical category 46 17.33 s
uses capitalization for (P6106) Nouns with capitals e.g. in German ("Liebe"). Uses noun (Q1084) as lexical category 0 timeout
uses capitalization for (P6106) Place names with capitals e.g. in English ("Vatican"). Uses geographic location (Q2221906) on classes of values of item for this sense (P5137) 12 1.00 s
uses capitalization for (P6106) Religions with capitals e.g. in English ("Buddhism"). Uses religion (Q9174) on classes of values of item for this sense (P5137) 30 1.05 s
uses capitalization for (P6106) Days of the week with capitals e.g. in English ("Monday"). Uses day of the week (Q41825) on values of item for this sense (P5137) 14 0.13 s
IIIF manifest URL (P6108) Check URL URL contain `json`, `manifest` or an ID 1 6.55 s
IIIF manifest URL (P6108) Check URL contain `manifest` (none) 5106 7.59 s
Santiebeati ID (P6126) Quick check (none) 55 0.43 s
Santiebeati ID (P6126) Quick check 2 (none) 91 1.09 s
copyright status (P6216) Statements without qualifiers All statements require qualifiers to more precisly specify copyright status. 1000 0.09 s
Biographie nationale de Belgique ID (P6234) Born in > 1986 (none) 0 0.24 s
IEC commemorative monument of Catalonia ID (P6239) No localitzat a un municipi de Catalunya monument commemoratiu de l'IEC no localitzat a un municipi de Catalunya (o una subdivisió seva, o una subdivisió d'una subdivisió seva) 5 0.07 s
Fandom article ID (P6262) Road(s) without a country Check links to routes.wikia.com 18 3.87 s
Fandom article ID (P6262) Check chapters of House of Cards Check chapters of House of Cards (Q3330940) 0 2.98 s
Fandom article ID (P6262) Check links to the memory-alpha wikis Check links to memory-alpha.wikia.com 2086 6.80 s
Fandom article ID (P6262) Error in prefix Example : the value de.memory-alpha.wikia:Technobabble is wrong 2 3.39 s
Fandom article ID (P6262) Check P31 or P279 Quick and dirty query, with two item exceptions (technobabble (Q1428753) and Selus (Q3954928)) 0 timeout HTTP 504
Fandom article ID (P6262) Check brickipedia (Lego) wiki (none) 62 3.05 s
ARTIC artist ID (P6295) Works with creator missing link List of works that are in collection (P195) Art Institute of Chicago (Q239303) and have creator (P170) set, but that creator doesn't have a ARTIC artist ID (P6295) link 1081 0.28 s
vehicle identification number (P6322) Year code (10th character) should match model year TO DO: double check or add exceptions 1 0.08 s
vehicle identification number (P6322) WMI code should match a value in P6793 (none) 3 0.07 s
title of broader work (P6333) Reference should generally have a reference url as well reference URL (P854) would generally be present 100 0.52 s
closest approach (P6354) Qualifier of P793 only Is defined as a qualifier of significant event (P793), not other properties 0 0.07 s
JORFSearch organization ID (P6413) Wrong ID The property value doesn’t match the entity ID 46 0.13 s
Alexander–Briggs notation (P6432) Regex Adapt regex for math expressions 383 0.17 s
Swedish Organization Number (P6460) Validate swedish organization numbers Report organizations with incorrect organization numbers, found by validating the checksum 0 0.34 s
NMSRCP reference number (P6473) Items without ID Items in New Mexico (Q1522) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not NMSRCP reference number (P6473) 6 3.40 s
NMSRCP reference number (P6473) Items without listing date Items that do have listed on the New Mexico State Register of Cultural Properties (Q19842079) in heritage designation (P1435), but not the qualifier start time (P580). 5 0.12 s
NMSRCP reference number (P6473) Items who don't have "subject named as" Items that do have listed on the New Mexico State Register of Cultural Properties (Q19842079) in heritage designation (P1435), but not the qualifier subject named as (P1810). 207 0.18 s
Joan Miró Online Image Bank ID (P6489) Items in catalog without the identifier Items in catalog without the identifier property 0 0.13 s
Joan Miró Online Image Bank ID (P6489) Items with identifier without catalog code Items with the identifier property and without a catalog code of a catalog that is part of Joan Miró: Catalogue raisonné (Q108774407) 101 0.14 s
X (Twitter) numeric user ID (P6552) Main value same as qualifier todo: delete P6552 statement (not the P6552 qualifier) 11 0.10 s
number of words (P6570) Property should be used on items with a sitelink to Wikisource (none) 100 0.46 s
maximum temperature record (P6591) Date after today (none) 0 0.12 s
Paintings by Salvador Dalí ID (P6595) Items in catalog without the identifier Items in catalog without the identifier property 0 0.16 s
Paintings by Salvador Dalí ID (P6595) Missing inception sourced to the catalog Items with Paintings by Salvador Dalí ID (P6595) and inception (P571), but it's not sourced to the catalog. Date should be checked and source should be added. 160 1.42 s
Paintings by Salvador Dalí ID (P6595) Items with a statements imported from Wikimedia project Items with statements that have imported from Wikimedia project (P143) as source instead of a real source. Reference should be replaced with a real source. 245 0.32 s
Paintings by Salvador Dalí ID (P6595) Missing correct catalog code Items with this property should also have a catalog code (P528) set to "P <id>" with qualifier catalog (P972) set to Catalogue Raisonné of Salvador Dalí Paintings (Q24009539). 6 0.21 s
DFD ID (P6597) single native label there should be just one native label (P1705) statement on items 103 2.93 s
DFD ID (P6597) mul label should match P1705 value check native label (P1705) and label with language code mul 10593 6.01 s
DFD ID (P6597) label in only one language labels would generally be available in exactly one language 65185 35.50 s
DFD ID (P6597) en description to include "family name" Default English language description for Latin script family names is "family name" 0 timeout HTTP 504
DFD ID (P6597) de description to include "Familienname" Default German language description for Latin script family names is "Familienname" 43 37.33 s
DFD ID (P6597) ja description to include P1705 value Japanese description format is generally "姓 (<P1705 value>)" 200 3.85 s
DFD ID (P6597) ru description to include P1705 value Russian description format is generally "фамилия - <P1705 value>" 200 2.91 s
DFD ID (P6597) ru alias to include P1705 value Native label should be an alias in Russian 200 0.49 s
DFD ID (P6597) Most frequent P734 values without property (Germany, nat) family names used as P734 values, but without a P6597 statement. Selection by nationalities 30 15.43 s
DFD ID (P6597) Most frequent P734 values without property (Germany, POB) family names used as P734 values, but without a P6597 statement. Selection by place of birth 69 12.98 s
Salvador Dali Museum artwork ID (P6625) In collection missing property Items what have collection (P195) set to Salvador Dalí Museum (Q674427), but Salvador Dali Museum artwork ID (P6625) is missing. 2 0.08 s
Salvador Dali Museum artwork ID (P6625) Items with identifier without the inventory number Items with the identifier property and without an inventory number of the Museum 0 0.24 s
RCQ classification (P6658) Wrong descriptor for children (Q77817069) and Not suitable for young children (Q77817071) can only be used with G (Q62365366) and G (Q62365366) cannot have other descriptors. Other ratings can only have descriptors from the pre-defined list. 0 1.01 s
number of sentences (P6695) Property should be used on items with a sitelink to Wikisource (none) 3 0.06 s
music video (P6718) Instances of music video should be a value of this property TODO: linking the items below from an item for the song with P6718 500 0.09 s
interwiki prefix at Wikimedia (P6720) official website uses https, but formatter http https is generally preferred. If the website can be accessed with https, you may want to request an update at m:Talk:Interwiki_map#Requests_for_updates. Once the interwiki table updated, add an "s" to the formatter 2 0.22 s
interwiki prefix at Wikimedia (P6720) http: https is generally preferred. If the website can be accessed with https, you may want to request an update at m:Talk:Interwiki_map#Requests_for_updates. Once the interwiki table updated, add an "s" to the formatter. This generally lists prefixes also covered by some of the other checks. 9 0.21 s
interwiki prefix at Wikimedia (P6720) best rank, but end date If the prefix/formatter is no longer in use (it has an end date) and no new prefix/formatter is defined, no value should be added with preferred rank. 3 0.11 s
interwiki prefix at Wikimedia (P6720) formatter URL domain not in official website(s) Official website (P856) should include the domain used by the formatter URL qualifier. TODO: Add P856 statement, set current website to preferred rank. 8 0.25 s
interwiki prefix at Wikimedia (P6720) item has dissolved date item has dissolved, abolished or demolished date (P576). If this is correctly applied (i.e. the website is deleted), an update should be requested at m:Talk:Interwiki_map. Once the interwiki map is updated, the relevant changes should be done. This can be do add an end date qualifier to the statement and a new statement with "no value" in preferred rank. 5 0.07 s
Whitney Museum of American Art artwork ID (P6738) Artworks in the Whitney Museum of American Art collection without a link Items that have collection (P195) set to Whitney Museum of American Art (Q639791), but that item doesn't have Whitney Museum of American Art artwork ID (P6738). Missing link can probably be added 8 0.87 s
Danskefilmstemmer.dk person ID (P6777) Occupation Check occupation (P106) 24 0.26 s
number of hospital beds (P6801) P1083 might need conversion check/replace maximum capacity (P1083) with P6801 44 0.74 s
replacement property (P6824) Qualifier for none-of constraint and conflicts-with constraint This qualifier is generally used for none-of constraint (Q52558054) or conflicts-with constraint (Q21502838). TODO: double-check 8 0.14 s
replacement property (P6824) Qualifier for property constraint (P2302) This qualifier is generally used only on property constraint (P2302) and Wikidata property example for properties (P2271). TODO: double-check 0 0.08 s
title in HTML (P6833) Qualifier of P1476 only Is defined as a qualifier of title (P1476), not other properties 7 0.11 s
title in LaTeX (P6835) Qualifier of P1476/P1680 only Is defined as a qualifier of title (P1476) or subtitle (P1680), not other properties 1 0.08 s
title in LaTeX (P6835) Article titles with "$" might use this To exclude book reviews, add genre (P136)=book review (Q637866) 0 timeout HTTP 504
title in LaTeX (P6835) Regex #1 .*\\text\{.+\}.* 9 0.21 s
Elhuyar Dictionary ID (P6838) Check language (none) 0 1.52 s
IntraText author ID (P6873) Missing P106 (none) 17 0.17 s
era name (P6902) instances of era names could be linked with this property (none) 500 0.16 s
era name (P6902) items for Emperors of Japan would have this property (none) 50 0.10 s
era name (P6902) values for items for Emperors of Japan should be instances of Japanese era names (none) 0 0.09 s
era name (P6902) items for Emperors of China would have this property (none) 254 0.04 s
Historical Archives of the European Union ID (P6917) Need a quick link to Europe Humains needs a quick link to Europe 4 0.23 s
Historical Archives of the European Union ID (P6917) Need a link to Europe Humains needs a link to Europe 11 2.88 s
review of (P6977) Articles with genre=review might use this property add applicable P6977 0 0.07 s
BIC of the Canary Islands ID (P7006) BIC of the Canary Islands with a wrong administrative territorial entity location BIC with located in the administrative territorial entity (P131), but without a location in the Canary Islands 451 0.79 s
unabbreviated text (P7008) Qualifier of P1684 only Is defined as a qualifier of inscription (P1684), not other properties 301 0.10 s
mod of (P7075) Element with a value of "based on" equal to a value of "mod of" (none) 1 0.20 s
inverse label item (P7087) item datatype properties would generally have this if applicable, create an item and link it with P7087 1120 0.69 s
AllTrails trail ID (P7127) Not a park (none) 48 2.76 s
Rijksmonument complex ID (P7135) Rijksmonument complex without ID Items that do have heritage designation (P1435): Rijksmonument complex (Q13423591), but not this property 10 0.18 s
OhRanger.com ID (P7149) Check properties (none) 1 0.12 s
OhRanger.com ID (P7149) Check prefix (none) 11 0.24 s
Aozora Bunko work ID (P7312) Author's P7311 value constraint (none) 1 0.09 s
number of decimal digits (P7316) Value should match string length of P1181 (values up to 126) (none) 9 3.84 s
number of decimal digits (P7316) Value should match length of P5176 (values up to 1500) (none) 0 9.96 s
number of decimal digits (P7316) Items for numbers with values too large for quantity datatype should have this property (none) 5 6.50 s
regnal ordinal (P7338) Qualifier should be used with P735 (none) 0 0.18 s
regnal ordinal (P7338) P735 value should have P282 given name item should have writing system (P282) 1 0.45 s
regnal ordinal (P7338) P735 value should have P1705 given name item should have native label (P1705) 1 0.53 s
regnal ordinal (P7338) items likely needing the qualifier (V) add regnal ordinal (P7338) if applicable 190 13.42 s
regnal ordinal (P7338) items likely needing the qualifier (II) add regnal ordinal (P7338) if applicable 1000 28.66 s
regnal ordinal (P7338) items likely needing the qualifier (X) add regnal ordinal (P7338) if applicable 39 7.90 s
content descriptor (P7367) Rating and descriptor from different rating systems The rating and the descriptor on it are of classes that are part of different rating systems. 98 3.51 s
Beachsafe Beach Key (P7396) Check localisation (none) 0 0.22 s
reason for preferred rank (P7452) Non-preferred statements Items with statements qualified by reason for preferred rank (P7452) that are not preferred 24888 50.10 s
reason for preferred rank (P7452) Currently valid values with end time in the past Items with statements qualified by reason for preferred rank (P7452) = currently valid value (Q71536244) and end time (P582) with value before current date. 14 2.94 s
key col (P7479) elevation of value should be lower TODO: correct value or elevation, adjust ranks, define exceptions 8 0.95 s
MIC market code (P7534) FIX ALLCAPS LABELS see Help:Label 10 0.25 s
MIC market code (P7534) FIX ALLCAPS DESCRIPTIONS see Help:Descriptions 10 0.07 s
category for the interior of the item (P7561) value label (1: should match regex) fix label or adjust regex for language at Property:P7561#P1552: complex constraint value label (Q100884525) 1351 9.35 s
category for the interior of the item (P7561) value label (1: languages lacking a regex) determine a regex and add it at Property:P7561#P1552: complex constraint value label (Q100884525) 15 1.10 s
Wikimedia page-version URL (P7569) Qualifier should be used with P989 Currently only spoken text audio (P989) is using this qualifier (add others if needed) 3 0.19 s
Virginia Landmarks Register ID (P7618) Items without ID Items that do have Virginia Historic Landmark (Q7934314) in heritage designation (P1435), but not Virginia Landmarks Register ID (P7618) 0 0.30 s
Virginia Landmarks Register ID (P7618) Items in Virginia without ID Items in Virginia (Q1370) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not Virginia Landmarks Register ID (P7618) 11 2.65 s
Virginia Landmarks Register ID (P7618) Items without listing date Items that do have Virginia Historic Landmark (Q7934314) in heritage designation (P1435), but not the qualifier start time (P580). 6 0.44 s
Virginia Landmarks Register ID (P7618) Items who don't have "subject named as" Items that do have Virginia Historic Landmark (Q7934314) in heritage designation (P1435), but not the qualifier subject named as (P1810). 10 0.26 s
Scienza a due voci ID (P7663) Occupations not listed on the site "Scienza a due voci" Women with occupation (P106), but without being scientist (Q901) or a subclass of (P279) listed on the site ("Settore") 1 7.05 s
file page (P7668) Files should be pdf or djvu change to page(s) (P304) or remove 1 0.29 s
TLFi ID (P7722) Inconsistency between the identifier and the lemma Identifier should be the same as the lemma of the lexeme. 18 0.94 s
GUI number (P7729) Invalid GUI number GUI number that have wrong checksum 0 0.63 s
CEEB K-12 school code (P7801) Check IDs in Virginia (none) 11 4.89 s
CEEB K-12 school code (P7801) Check IDs in Illinois (none) 16 6.43 s
LiverTox ID (P7830) Chemical entities with no indication of use as a drug Every item with LiverTox ID (P7830) statement and instance of (P31)type of chemical entity (Q113145171) that has no has use (P366)medication (Q12140). In combination with other constraints it would allow in the future to properly move pharmacology-related statements from items about groups of isomers to items about specific isomer or to items about mixtures of isomers. 13 0.23 s
P7859 (P7859) Value doesn't match P214 value starting with "viaf-" doesn't match VIAF cluster ID (P214)-value. 0 0.07 s
P7859 (P7859) Value doesn't match P244 value starting with "lccn-" doesn't match Library of Congress authority ID (P244)-value. Some false positives: need to replace -%d with %06d. 0 0.26 s
CIÊNCIAVITAE ID (P7893) Occupations not listed on the site "CIÊNCIAVITAE" Scientist with a suitable occupation (P106) 59 6.26 s
Deutsche Biographie (GND) ID (P7902) Deutsche Biographie ID should be equal to GND ID GND ID exists and is different from Deutsche Biographie ID. NOTE: also lists items having more than one GND and one is equal 3925 18.12 s
Deutsche Biographie (GND) ID (P7902) Deutsche Biographie ID - type human should not be instance of a subclass of human Deutsche Biographie ID exists, type is subclass of human 1 0.20 s
Deutsche Biographie (GND) ID (P7902) Deutsche Biographie ID - type human should have sex Deutsche Biographie ID exists, type is human, sex missing 2277 33.82 s
Deutsche Biographie (GND) ID (P7902) Deutsche Biographie ID - type human should have given name Deutsche Biographie ID exists, type is human, given name missing 100 0.13 s
Deutsche Biographie (GND) ID (P7902) Deutsche Biographie ID - type human should have family name Deutsche Biographie ID exists, type is human, family name missing 100 0.21 s
Deutsche Biographie (GND) ID (P7902) Deutsche Biographie ID - item requires statement if described by ADB Deutsche Biographie ID missing and described by ADB 76 0.49 s
Deutsche Biographie (GND) ID (P7902) Deutsche Biographie ID - item requires statement if described by NDB Deutsche Biographie ID missing and described by NDB 3 0.18 s
Directory of Maîtres d'art (P7957) Need P7957 or P166 (none) 0 0.09 s
Faculté des sciences de Nancy ID (P7974) Check date of birth (none) 0 0.08 s
Social Security Death Index entry (P8002) Not a U.S. citizen or permanent resident Social Security numbers are only issued to U.S. citizens, permanent residents, or temporary (working) residents. This constraint will show a false positive for temporary residents; however, these should be fairly rare. 23 0.07 s
Social Security Death Index entry (P8002) Potential items Americans who died in the US after 2000 without P8002 500 0.35 s
LiverTox likelihood score (P8026) Chemical entities with no indication of use as a drug Every item with LiverTox likelihood score (P8026) statement and instance of (P31)type of chemical entity (Q113145171) that has no has use (P366)medication (Q12140). In combination with other constraints it would allow in the future to properly move pharmacology-related statements from items about groups of isomers to items about specific isomer or to items about mixtures of isomers. 8 0.11 s
country of registry (P8047) Warships are generally not registered Warships in active naval use are generally not registered by the states controlling the warships. It is possible that former warships are converted to merchant/civilian use, in which case registration would become necessary. It is also possible that registration is required during construction of a warship whilst a civilian shipbuilder is performing sea trials and before commissioning of the warship into a navy. The constraint SPARQL query is currently not complex enough to factor in these less common scenarios and a small number of false positives therefore may be returned for this constraint. 0 0.07 s
country of registry (P8047) First ship registrations were only possible in Britain circa 1660 Due to Britain passing ship registration laws in 1660 (see Navigation Acts (Q318785) and [2] and [3]) it is not possible for ships destroyed or disused by 1660 to have ever been registered. 22 1.87 s
Encyklopedia Solidarności ID (P8095) Poland Poland (Q36) 46 0.27 s
Internetowy Polski Słownik Biograficzny ID (P8130) Alternate name or disambiguation in label (pl) If () in the label includes a disambiguation, it would generally be redundant to the item's description. If it's an alternate name, it should be an alias of the item 5 1.40 s
motorsportstats.com driver ID (P8140) Sport isn't a subclass of motorsport Human (driver) with Sport (P641) isn't a subclass of motorsport (Q5367) 19 0.45 s
History Colorado ID (P8158) Items without ID Items in Colorado (Q1261) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not History Colorado ID (P8158) 45 4.85 s
History Colorado ID (P8158) Items without listing date Items that do have listed on the Colorado State Register of Historic Properties (Q21412525) in heritage designation (P1435), but not the qualifier start time (P580). 30 0.11 s
History Colorado ID (P8158) Items who don't have "subject named as" Items that do have listed on the Colorado State Register of Historic Properties (Q21412525) in heritage designation (P1435), but not the qualifier subject named as (P1810). 53 0.20 s
Maryland's National Register Properties ID (P8165) Items without ID Items in Maryland (Q1391) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not Maryland's National Register Properties ID (P8165) 12 2.07 s
RPPS ID (P8170) Check P106 physician (Q39631) 17 0.54 s
Oregon Historic Sites Database ID (P8177) Items without ID Items in Oregon (Q824) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not Oregon Historic Sites Database ID (P8177) 29 2.92 s
SNCF Station ID (P8181) FR (none) 8 0.46 s
hardiness of plant (P8193) value label (1: should match regex) fix label or adjust regex for language at Property:P8193#P1552: complex constraint value label (Q100884525) 88 1.35 s
hardiness of plant (P8193) value label (1: languages lacking a regex) determine a regex and add it at Property:P8193#P1552: complex constraint value label (Q100884525) 7 0.15 s
Reta Vortaro ID (P8202) Esperanto lexeme Lexemes in Esperanto lexeme 0 0.10 s
Mozilla Developer Network article (P8205) Related to web/Internet Items need to be describe on a RFC, or having a tag on Stack Exchange website, ... 48 0.73 s
Mozilla Developer Network article (P8205) ID MDN missing List of web APIs and HTML tags with no ID MDN 177 1.17 s
image of molecular model or crystal lattice model (P8224) Unknown molecular model or crystal lattice model Molecular model or crystal lattice model that is not subclass of molecular model (Q2196961) 11 0.38 s
MACRIS ID (P8239) Items without ID Items in Massachusetts (Q771) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not MACRIS ID (P8239) 50 3.38 s
National Register Database, Louisiana ID (P8240) Items without ID Items in Louisiana (Q1588) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not National Register Database, Louisiana ID (P8240) 44 2.12 s
type of age limit (P8241) Single value by statement One minimum age statements should have only one type 10 0.09 s
MDAH's HRI ID (P8249) Items without ID Items in Mississippi (Q1494) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not MDAH's HRI ID (P8249) 5 1.15 s
Medusa NRHP ID (P8282) Maryland (none) 0 42.19 s
Olympedia people ID (P8286) Without participation (P1344) Item with a Olympedia people ID (P8286) identifier should have a participant in (P1344) claim for their Olympic participation 25404 10.02 s
Olympedia people ID (P8286) Human without occupation (P106) Human items with an Olympedia people ID (P8286) identifier should have a occupation (P106) claim 407 9.84 s
Philadelphia Museum of Art entity ID (P8317) Works with creator missing link List of works that are in collection (P195) Philadelphia Art Museum (Q510324) and have creator (P170) set, but that creator doesn't have a Philadelphia Museum of Art entity ID (P8317) link 709 0.53 s
Philadelphia Museum of Art entity ID (P8317) Probably death People with Philadelphia Museum of Art entity ID (P8317) born before the year 1900, but no date of death (P570) 114 27.75 s
cadastral municipality ID in Austria (P8322) cadastral municipality in Austria without ID cadastral municipality in Austria lacking a cadastral municipality ID in Austria (P8322) statement specifying the cadastral municipality number in Austria (Q56475664) 2 0.57 s
cadastral municipality ID in Austria (P8322) cadastral municipality in Austria located in a cadastral municipality cadastral municipality in Austria located in the administrative territorial entity (P131) which is itself a cadastral municipality 1 1.29 s
cadastral municipality ID in Austria (P8322) cadastral municipality in Austria which neither is an Austrian municipality nor is located in an Austrian municipality cadastral municipality in Austria which neither is an Austrian municipality nor is located in an Austrian municipality 2 1.11 s
cadastral municipality ID in Austria (P8322) cadastral municipality in Austria with more than one “instance of” value cadastral municipality shouldn’t be conflated with other concepts like municipalities or localities 382 0.28 s
intended subject of deprecated statement (P8327) Non-deprecated statements Items with statements qualified by intended subject of deprecated statement (P8327) that are not deprecated 78 0.57 s
applies to name of object (P8338) qualifier value would generally be a label or an alias of the item used with P138 check if the property is used correctly or add an alias to the value of named after (P138) 20 3.16 s
Library of Congress Classification (works and editions) (P8360) Value would generally exists in main property Check items with Library of Congress Classification (P1149) 100 0.10 s
locality number in Austria (P8384) Ortschaft in Austria without number Ortschaft (Q11183787) in Austria (Q40) lacking a locality number in Austria (P8384) statement specifying the locality number (Q60476040) 11 1.27 s
locality number in Austria (P8384) Ortschaft in Austria located in an Ortschaft Ortschaft (Q11183787) in Austria (Q40) located in the administrative territorial entity (P131) which is itself an Ortschaft (Q11183787) 1 0.54 s
locality number in Austria (P8384) Ortschaft in Austria which neither is an Austrian municipality nor is located in an Austrian municipality Ortschaft in Austria which neither is an Austrian municipality nor is located in an Austrian municipality 2 2.86 s
Cistercian Biography Online ID (P8441) Quick check (none) 49 0.15 s
content partnership category (P8464) Value label (1: should match regex) fix label or adjust regex for language at Property:P8464#P1552: complex constraint value label (Q100884525) 13 0.39 s
content partnership category (P8464) Value label (1: languages lacking a regex) determine a regex and add it at Property:P8464#P1552: complex constraint value label (Q100884525) 0 0.26 s
ANZSRC 2020 FoR ID (P8529) specific codes should be part of or subclasses of higher level codes (none) 0 0.05 s HTTP 400
monumenta.ch ID (P8566) Occupation isn't a subclass of author Human with Occupation (P106) isn't a subclass of Author (Q482980) 28 1.95 s
front and back matter (P8570) possible missing values (one-of constraint) add to constraint if applicable 0 0.11 s
Wisconsin National or State Registers Record ID (P8588) Items without ID Items in Wisconsin (Q1537) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not Wisconsin National or State Registers Record ID (P8588) 227 2.56 s
Barcelona Public art ID (P8601) Art públic de Barcelona sense identificador elements amb art públic de Barcelona com a estatus patrimonial, però sense identificador d'art públic de Barcelona 2 0.17 s
Barcelona Public art ID (P8601) No localitzat a un barri de Barcelona element amb identificador d'art públic de Barcelona però no localitzat a un barri de Barcelona 243 0.45 s
Kansas Historic Resources Inventory ID (P8616) Items without ID Items in Kansas (Q1558) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not Kansas Historic Resources Inventory ID (P8616) 18 1.29 s
Kansas Historic Resources Inventory ID (P8616) Items without the Register of Historic Kansas Places Items in Kansas (Q1558) that do have National Register of Historic Places listed place (Q19558910) in heritage designation (P1435), but not listed on the Register of Historic Kansas Places (Q104587249) . 22 1.28 s
bibliography (P8625) candidates (none) 100 0.57 s
bibliography (P8625) value label (1: should match regex) fix label or adjust regex for language at Property:P8625#P1552: complex constraint value label (Q100884525) 23 0.59 s
bibliography (P8625) value label (1: languages lacking a regex) determine a regex and add it at Property:P8625#P1552: complex constraint value label (Q100884525) 4 0.39 s
Canadian Women Artists History Initiative ID (P8631) FIX ALLCAPS see Help:Label 0 0.28 s
Ministry of the Interior of Italy ID (P8648) No suitable value for P39 Person with no 'position held' that is instance of a (subclass of a) suitable position of Italy 99 1.39 s
Les Roses cultivées à L'Haÿ en 1902 ID (P8662) Candidates for this property add Les Roses cultivées à L'Haÿ en 1902 ID (P8662); use "novalue" when not found 23 0.20 s
Les Roses cultivées à L'Haÿ en 1902 ID (P8662) Candidates for this property (with details) add Les Roses cultivées à L'Haÿ en 1902 ID (P8662); use "novalue" when not found 23 0.40 s
Les Roses cultivées à L'Haÿ en 1902 ID (P8662) Potential candidates for this property (cultivars without year) add Les Roses cultivées à L'Haÿ en 1902 ID (P8662) or inception (P571) 200 0.37 s
Les Roses cultivées à L'Haÿ en 1902 ID (P8662) Missing short name on P170 value (none) 13 0.12 s
Les Roses cultivées à L'Haÿ en 1902 ID (P8662) Candidates (Hippolyte Jamain 1874) add P8662 or novalue 2 0.07 s
Les Roses cultivées à L'Haÿ en 1902 ID (P8662) Year of P571 should be ≤ 1902 (none) 0 0.12 s
social media followers (P8687) qualifier for identifier should also be available as statement query currently excludes Twitter 3761 38.93 s
has census (P8701) value should have a label in English TODO add an English label 30 0.17 s
has census (P8701) English label would generally include the year of the census TODO edit label 17 0.38 s
has census (P8701) English label, description, or alias should include place name (country or region) TODO: generally add an alias in the form "<year> census of <place>" 33 3.66 s
has census (P8701) values to add (from enwiki) TODO add values 69 7.77 s
has census (P8701) values to add (from eswiki) TODO add values 35 6.89 s
has census (P8701) values to add (from ruwiki) TODO add values 5 7.34 s
has census (P8701) Most recent value shouldn't be from more than 10 or 12 years ago TODO find values to add 43 0.21 s
has census (P8701) demographics items of countries should have this (none) 107 0.09 s
has census (P8701) statements shouldn't have preferred rank TODO check and adjust rank(s) if needed 0 0.14 s
has census (P8701) deprecated statements should have a reason qualifier TODO check, add P2241 or adjust rank(s) if needed 0 0.09 s
PIM award ID (P8742) Prizes with no winners recorded in Wikidata (none) 60 0.42 s
PIM award ID (P8742) Unique IDs across PIM properties PIM authority ID (P3973) and PIM award ID (P8742) cannot hold the same values 0 0.09 s
PIM award ID (P8742) Honorary citizenships in Hungary without ID Todo: Add ID if available 29 0.06 s
economy of topic (P8744) candidates (1: economy of region without P276) possible values for this property 31 0.31 s
economy of topic (P8744) candidates (2: economy of region with P276) possible values for this property 35 0.15 s
economy of topic (P8744) value label (1: should match regex) fix label or adjust regex for language at Property:P8744#P1552: complex constraint value label (Q100884525) 0 timeout
economy of topic (P8744) value label (1: languages lacking a regex) determine a regex and add it at Property:P8744#P1552: complex constraint value label (Q100884525) 67 3.45 s
economy of topic (P8744) value label (2: experimental) compares label of value with label of subject per regex for language at Property:P8744#P1552: complex constraint value label template (Q100883797) 350 15.47 s
Rheinland-Pfälzische Personendatenbank (GND) ID (P8748) type human should have sex ID exists, type is human, sex missing 0 0.73 s
complementary property (P8882) Value shouldn't be the same as for "inverse property" (P1696) TODO: correct one of the two statements 0 0.06 s
complementary property (P8882) Value shouldn't be the same as for "see also" (P1659) TODO: correct one of the two statements 28 0.06 s
MTRCB rating (P8889) Check qualifier P2676 qualifier must meet regex "^P\-(MP|SR|RF|TV|OM)\-20[12]\d\-\d{6}$" 2 0.36 s
Amsterdam Museum artwork ID (P8922) Works in Amsterdam Museum missing link List of items that have collection (P195) set to PQ1820897 (PQ1820897), but no Amsterdam Museum artwork ID (P8922) link 92 4.69 s
Amsterdam Museum artwork ID (P8922) Works in Amsterdam Museum missing handle List of items that have Amsterdam Museum artwork ID (P8922), but no Amsterdam Museum Handle ID (P1184) 97 7.43 s
SMB-digital ID (P8923) Works in SMB collections without ID Works that are in one of Staatliche Museen zu Berlin (Q700216) collections, but don't have a SMB-digital ID (P8923) 835 4.23 s
category for the view from the item (P8933) value label (1: should match regex) fix label or adjust regex for language at Property:P8933#P1552: complex constraint value label (Q100884525) 39 1.69 s
category for the view from the item (P8933) value label (1: languages lacking a regex) determine a regex and add it at Property:P8933#P1552: complex constraint value label (Q100884525) 6 1.99 s
inappropriate property for this type (P8952) inappropriate properties on biographical article items (none) 0 timeout HTTP 504
SPAP ID (P8974) Unsuitable SAPA id for human Person with a SAPA identifier not starting with an "a" 31 0.68 s
category for the view of the item (P8989) value label (1: should match regex) fix label or adjust regex for language at Property:P8989#P1552: complex constraint value label (Q100884525) 41 15.03 s
category for the view of the item (P8989) value label (1: languages lacking a regex) determine a regex and add it at Property:P8989#P1552: complex constraint value label (Q100884525) 9 0.82 s
Fichier des personnes décédées ID (matchID) (P9058) Related to France (none) 1 0.15 s
Fichier des personnes décédées ID (matchID) (P9058) Check date (none) 0 1.33 s
Fichier des personnes décédées ID (matchID) (P9058) Potential items persons who died in France since 2010 without P9058 500 3.33 s
applicable 'stated in' value (P9073) Properties lacking this External-ID-properties used as reference without P9073. TODO: add P9073 statement to property entity, create item when non-existing 1892 1.45 s
applicable 'stated in' value (P9073) Value shouldn't be a museum TODO: check how to fix values that amalgamate concepts 56 2.93 s
applicable 'stated in' value (P9073) Value shouldn't be a (non-online) library TODO: check how to fix values that amalgamate concepts 50 3.33 s
applicable 'stated in' value (P9073) Value shouldn't be an organization TODO: check how to fix values that amalgamate concepts 2090 32.64 s
BAMID film rating (P9086) Check qualifier P2676 qualifier must meet regex "^局影[本外港陸]字第1[01]\d{4}(\(補\))?號$" 1 0.20 s
Encyclopedia of Brno History object ID (P9104) In Brno (none) 1 15.12 s
thesis committee member (P9161) items that could use this (none) 0 0.06 s
Wisconsin Architecture and History Inventory ID (P9211) Items without ID Items in Wisconsin (Q1537) that do have National Register of Historic Places listed place (Q19558910) or National Register of Historic Places contributing property (Q1129142) in heritage designation (P1435), but not Wisconsin National or State Registers Record ID (P8588) 210 2.30 s
demographics of topic (P9241) candidates (1: demographics of region without P276) possible values for this property 73 0.22 s
demographics of topic (P9241) candidates (2: demographics of region with P276) possible values for this property 17 0.17 s
demographics of topic (P9241) value label (1: should match regex) fix label or adjust regex for language at Property:P9241#P1552: complex constraint value label (Q100884525) 89 13.40 s
demographics of topic (P9241) value label (1: languages lacking a regex) determine a regex and add it at Property:P9241#P1552: complex constraint value label (Q100884525) 60 0.75 s
La Réunion des Livres ID (P9427) Related to La Réunion (none) 57 3.40 s
type of lens (P9597) candidates (from categories, mainly Commons) add statement if applicable 100 1.41 s
MediaWiki page ID (P9675) Used without known proper context Used to qualify a statement that doesn't seem to tell us what wiki it refers to. Known good cases are when the statement's property has has characteristic (P1552) with value MediaWiki page title (Q83336425), or if the statement is also qualified with URL (P2699); otherwise, more study is needed. 15205 17.67 s
replacement value (P9729) Qualifier for none-of constraint This qualifier is generally used for none-of constraint (Q52558054). TODO: double-check 173 0.09 s
replacement value (P9729) Qualifier for property constraint (P2302) This qualifier is generally used only on property constraint (P2302) and Wikidata property example for properties (P2271). TODO: double-check 1 0.07 s
CEICE school code (P9746) No localitzat a un municipi valencià element amb codi CEICE però no localitzat a un municipi del País Valencià (o una subdivisió seva, o una subdivisió d'una subdivisió seva) 0 0.37 s
CEICE school code (P9746) Codi postal incorrecte element amb codi CEICE però amb un codi postal que no comença per 3, 12 o 46 13 0.14 s
syntactic dependency head position (P9764) Wrong self-referencing position Position cannot be itself 5 0.50 s
syntactic dependency head position (P9764) Wrong position for root node Position for root node is always 0 0 0.15 s
e-Rad researcher number (P9776) Invalid Researcher Number Researcher Number that have wrong checksum (see ja:研究者番号) 0 1.87 s
Igromania series ID (P9835) Check for IDs that exceed the range from 1 to 1850 complex constraint that keeps track of items in which IDs exceed the range from 1 to 1850 0 0.07 s
catalogue raisonné (P9969) Potential values TODO add, correct or define exception 236 0.09 s
Musées Nationaux Recuperation ID (P10039) Probably incorrect collection ranks List of items where probably only one instead all current collections have been set to rank preferred 130 0.22 s
Musées Nationaux Recuperation ID (P10039) WW2 provenance needs rank update The current location, the current collections and the current inventory numbers should be set to rank preferred 416 0.40 s
Australian Statistical Geography 2021 ID (P10112) CED codes should all be Commonwealth Electoral Divisions (none) 0 0.63 s
Australian Statistical Geography 2021 ID (P10112) SED codes should all be State or Territory Electoral Divisions (none) 6 0.40 s
Australian Statistical Geography 2021 ID (P10112) LGA codes should all be local government areas of Australia (none) 1 0.37 s
Australian Statistical Geography 2021 ID (P10112) SAL codes should generally be suburbs, localities, or at least human settlements. Technically all should be a suburb/locality of Australia (Q7632426) by definition, approximating a suburb and locality (Q33112019). (none) 77 2.05 s
Australian Statistical Geography 2021 ID (P10112) XXX1### codes should be located in the administrative territorial entity (P131): New South Wales (Q3224). (none) 2 1.16 s
Australian Statistical Geography 2021 ID (P10112) XXX2### codes should be located in the administrative territorial entity (P131): Victoria (Q36687). (none) 0 0.32 s
Australian Statistical Geography 2021 ID (P10112) XXX3### codes should be located in the administrative territorial entity (P131): Queensland (Q36074). (none) 0 0.30 s
Australian Statistical Geography 2021 ID (P10112) XXX4### codes should be located in the administrative territorial entity (P131): South Australia (Q35715). (none) 0 0.28 s
Australian Statistical Geography 2021 ID (P10112) XXX5### codes should be located in the administrative territorial entity (P131): Western Australia (Q3206). (none) 1 0.24 s
Australian Statistical Geography 2021 ID (P10112) XXX6### codes should be located in the administrative territorial entity (P131): Tasmania (Q34366). (none) 0 0.22 s
Australian Statistical Geography 2021 ID (P10112) XXX7### codes should be located in the administrative territorial entity (P131): Northern Territory (Q3235). (none) 0 0.35 s
Australian Statistical Geography 2021 ID (P10112) XXX8### codes should be located in the administrative territorial entity (P131): Australian Capital Territory (Q3258). (none) 0 0.18 s
individual of taxon (P10241) Check old (none) 0 0.46 s
MedlinePlus drug identifier (P10245) Chemical entities with no indication of use as a drug Every item with MedlinePlus drug identifier (P10245) statement and instance of (P31)type of chemical entity (Q113145171) that has no has use (P366)medication (Q12140). In combination with other constraints it would allow in the future to properly move pharmacology-related statements from items about groups of isomers to items about specific isomer or to items about mixtures of isomers. 81 0.25 s
category for honorary citizens of entity (P10280) potential values (from subclass of honorary citizenship) (none) 8 0.17 s
category for honorary citizens of entity (P10280) potential values (from category combines topic = honorary citizenship) with coordinates, version 2 todo: check if category can be added to place with P10280 65 0.75 s
category for honorary citizens of entity (P10280) potential values (from category combines topic = honorary citizenship), version 2 todo: determine place 784 0.53 s
category for honorary citizens of entity (P10280) value label (1: should match regex) fix label or adjust regex for language at Property:P10280#P1552: complex constraint value label (Q100884525) 52 16.04 s
category for honorary citizens of entity (P10280) value label (1: languages lacking a regex) determine a regex and add it at Property:P10280#P1552: complex constraint value label (Q100884525) 10 1.02 s
category for honorary citizens of entity (P10280) value label (experimental) compares label of value with label of subject per regex for language at Property:P10280#P1552: complex constraint value label template (Q100883797) 84 11.99 s
category for honorary citizens of entity (P10280) lists possibly to be associated with categories todo: add P1753 statement on the relevant category; P2354 on item for citizenship or, at last, P2354 on the item for the city 58 1.07 s
category for honorary citizens of entity (P10280) categories lacking "category's main topic" (P301), but are values of "topic's main category" (P910) todo: add missing P301 3 0.30 s
category for honorary citizens of entity (P10280) categories lacking "category's main topic" (P301), but are values of "category for recipients of this award" (P2517) todo: TBD 24 0.09 s
category for honorary citizens of entity (P10280) categories with "category's main topic" (P301)-value that lacks relevant P279 todo: TBD 6 0.23 s
category for honorary citizens of entity (P10280) categories with "category's main topic" (P301)-value that lacks "country" (P17) todo: TBD 25 0.21 s
category for honorary citizens of entity (P10280) categories with "list related to category" (P1753)-value not also on item for citizenship with "has list" (P2354) add P2354 statement 105 0.08 s
category for honorary citizens of entity (P10280) categories for honorary citizenship with "has list" (P2354), but not as "list related to category" (P1753)-value add P2354 statement 0 0.09 s
category for honorary citizens of entity (P10280) subclasses of honorary citizenship without a category todo: TBD, if there is s category: link it 148 0.13 s
category for honorary citizens of entity (P10280) missing honorary citizenships (country: Estonia, categories: etwiki, model A only) see Property talk:P10280#Putting categories to use; for model A, see Property_talk:P10280#Model_for_Q5 4 0.66 s
category for honorary citizens of entity (P10280) missing honorary citizenships (country: Estonia, categories: etwiki, model B only) see Property talk:P10280#Putting categories to use; for model B, see Property_talk:P10280#Model_for_Q5. Check for existing statements may be incomplete 1 0.86 s
category for honorary citizens of entity (P10280) missing honorary citizenships (country: Lithuania, categories: ltwiki, model A only) see Property talk:P10280#Putting categories to use; for model A, see Property_talk:P10280#Model_for_Q5 3 0.85 s
category for honorary citizens of entity (P10280) missing honorary citizenships (country: Lithuania, categories: dewiki, model A only) see Property talk:P10280#Putting categories to use; for model A, see Property_talk:P10280#Model_for_Q5 0 1.17 s
category for honorary citizens of entity (P10280) missing honorary citizenships (country: Hungary, categories: dewiki, model A only) see Property talk:P10280#Putting categories to use; for model A, see Property_talk:P10280#Model_for_Q5 0 0.62 s
OpenAlex ID (P10283) check A for people Initial A (author) would generally be people 3 4.84 s
OpenAlex ID (P10283) check A for P6366 ?value would generally match P6366 10 0.12 s
OpenAlex ID (P10283) check V for ISSN Initial V (venue) would generally have an ISSN 0 4.31 s
time in the pouch (P10322) Species likely to need property Add P10322 with value or novalue 322 0.38 s
iXBT Games ID (P10414) Check for IDs that exceed the range from 1 to 5451 complex constraint that keeps track of items in which IDs exceed the range from 1 to 5451 40 0.19 s
IxTheo authority ID (P10553) type human should have sex ID exists, type is human, sex missing 0 timeout
FID performing arts ID (P10608) type human should have sex ID exists, type is human, sex missing 294 1.65 s
Identifiant Les Recteurs d'Académie en France (P10721) recteur d'académie (none) 80 0.09 s
Linz DB ID (P10759) Items with incomplete location and/or collection provenance All items should have location (P276) and collection (P195) set to Führermuseum (Q475667), but that shouldn't be the current (preferred) value 3633 0.59 s
Linz DB ID (P10759) Items with Linz inventory number missing identifier Items that have an inventory number (P217) in Führermuseum (Q475667), but Linz DB ID (P10759) is missing 4038 0.42 s
Linz DB ID (P10759) Items with Linz location or collection missing identifier Items that have an location (P276) or collection (P195) set to Führermuseum (Q475667), but Linz DB ID (P10759) is missing 276 0.35 s
MCCP ID (P10760) Items with incomplete location and/or collection provenance All items should have location (P276) and collection (P195) set to Munich Central Collecting Point (Q1053735), but that shouldn't be the current (preferred) value 14985 1.38 s
MCCP ID (P10760) Items with MCCP inventory number missing identifier Items that have an inventory number (P217) in Munich Central Collecting Point (Q1053735), but MCCP ID (P10760) is missing 12 2.76 s
MCCP ID (P10760) Items with MCCP location or collection missing identifier Items that have an location (P276) or collection (P195) set to Munich Central Collecting Point (Q1053735), but MCCP ID (P10760) is missing 77 0.81 s
MCCP ID (P10760) Items with MCCP identifier missing inventory number Items that have MCCP ID (P10760), but an inventory number (P217) with the same value is missing. Might give some false positives. 29 2.90 s
Collection Hermann Göring DB ID (P10779) Items with incomplete location and/or collection provenance All items should have location (P276) and collection (P195) set to Hermann Göring Collection (Q2647884), but that shouldn't be the current (preferred) value 1246 0.17 s
Collection Hermann Göring DB ID (P10779) Items with Goering inventory number missing identifier Items that have an inventory number (P217) in Hermann Göring Collection (Q2647884), but Collection Hermann Göring DB ID (P10779) is missing 1 0.19 s
Collection Hermann Göring DB ID (P10779) Items with Goering location or collection missing identifier Items that have an location (P276) or collection (P195) set to Hermann Göring Collection (Q2647884), but Collection Hermann Göring DB ID (P10779) is missing 64 0.19 s
MEXT school code (P11127) MEXT School Code MEXT School Code that have wrong checksum. NOTE: The IDs assigned in 2020-2022 have checksum digits calculated slightly differently from the document. The SPARQL query below is designed to verify assigned codes on a de facto basis. The IDs newly assigned in 2023 seem to have checksum digits calculated exactly as the document says, but this is yet to be clarified. 33 1.66 s
OpenCritic outlet ID (P11223) Check for IDs that are in the invalid range from 1 to 16 complex constraint that keeps track of items with IDs in the invalid range from 1 to 16 0 0.06 s
OpenCritic outlet ID (P11223) Check for IDs that are in the invalid range from 889 to 999 complex constraint that keeps track of items with IDs in the invalid range from 889 to 999 4 0.06 s
negates property (P11317) no item should have the same value for both a property and its negated property (unless distinctly qualified) the query doesn't currently check for distinct qualifiers, so, for example, a false positive is Q1056761. 57 31.29 s
documenta archiv ID (P11827) Items with this property must have participated in an Documenta exhibition. Items that have this property must also have a value of participant in (P1344) where part of the series (P179) is set to documenta (Q72823). 80 0.14 s
Friedländer ID (P11918) Works missing Friedländer catalog code List of works that have Friedländer ID (P11918) set, but no catalog code (P528) with qualifier catalog (P972) set to one of the volumes of Early Netherlandish painting (Q67275593) or to Study Centre Friedländer catalog (Q121501917) 65 0.18 s
Cent cols ID (P11996) Inconsistency between the identifier and the location Place with identifier prefix indicating France but without country France . 0 0.18 s
Cent cols ID (P11996) Inconsistency between the identifier and the item altitude Place with identifier prefix indicating an altitude but the item an other one. 170 0.07 s
Find my School ID (P12085) In Victoria School must be in Victoria (Q36687). 0 5.24 s
North Rhine-Westphalian school ID (P12123) In North Rhine-Westphalia School must be in North Rhine-Westphalia (Q1198). 0 timeout HTTP 504
counterexample (P12208) "Counterexample" qualifier on non-P279 statements Qualifier should only be present on P279 statements 12 0.16 s
counterexample (P12208) P279 statements with "counterexample" that are not deprecated Qualifier should only be present on deprecated P279 statements 0 0.35 s
multiplier of normal graduation time (P12471) Qualifier of P12469 only Is defined as a qualifier of graduation rate (P12469), not other properties 0 0.05 s
NACSIS-CAT library ID (P12494) Invalid NACSIS-CAT ID (8 digits) NACSIS-CAT ID that have wrong checksum (see https://catill.bitbucket.io/CM/furoku2_1.html, although this document only describe 10-digit code) 0 0.28 s
Vikidia article ID (P12800) Single value There should be one and only one link to a specific language version of Vikidia. 132 0.78 s
DDB person (GND) ID (P13049) type human should have sex ID exists, type is human, sex missing 79142 57.66 s
homonymous taxon (P13177) Unmatching taxon names Taxons paired with P13177 that have different taxon names (P225) 89 0.69 s
Japanese Health Insurance System Facility ID (P13179) Japanese Health Insurance System Facility ID Japanese Health Insurance System Facility ID with a wrong check digit. The last digit is the check digit derived using Luhn algorithm (Q915402); however, some issuers omit the first 3 digits for calculating the check digit. Also, there is an extended format that employs an alphanumeric at the 3rd digit (see [4]). 0 0.31 s
Japanese Health Insurance System Facility ID (P13179) Japanese Health Insurance System Facility ID (mismatched prefecture) Japanese Health Insurance System Facility ID that have mismatched prefecture code. 0 0.74 s
Berlinische Galerie object ID (P13197) Works in Berlinische Galerie missing link List of items that have collection (P195) set to PQ700222 (PQ700222), but no Berlinische Galerie object ID (P13197) link 2 0.65 s
Hessian Biography person (GND) ID (P13226) type human should have sex ID exists, type is human, sex missing 0 timeout HTTP 504
domain name (P13337) Domain names with P407 qualifiers Domain names do not have an associated language, but you can use this qualifier with P856 0 1.65 s
‎reason for no value (P13589) Statements with a value This property should qualify only statements with no value. 1 0.18 s
image of cosplay (P13632) Superfluous use of P180 (depicts) qualifier (none) 0 0.31 s
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