Property talk:P1030

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light characteristic
description of a navigational light sequence or colour displayed on a nautical chart. Explicitly state white light (W)

Description	a graphic and text description of a navigational light sequence or colour displayed on a nautical chart or in a Light List
Represents	light characteristic (Q1738955)
Data type	String
Template parameter	"characteristic" in en:Template:Infobox lighthouse
Domain	lighthouse (Q39715), light characteristic (Q1738955) or lighthouse light (Q106975467)
Allowed values	According to this template: pattern, colour(s), period, height and range separated by space According to statements in the property: ((?!\b(FI)).)* When possible, data should only be stored as statements
Example	According to this template: Almagrundet lighthouse (Q10406517) => Fl(4) WR 12s 29m 13M According to statements in the property: Bengtskär lighthouse (Q3737012) → Fl(3) W 20s Bremerhaven lighthouse (Q304471) → Iso W 4s When possible, data should only be stored as statements
Format and edit filter validation	(I could compose a regexp for this, but it will not be short and I doubt it will be usefull)
Tracking: usage	Category:Pages using Wikidata property P1030 (Q26210051)
See also	lighthouse range (P2929), focal height (P2923), racon signal (P3994)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Complex constraint violations/P1030 Database reports/Constraint violations/P1030 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 8,523 Main statement 8,427 98.9% of uses Qualifier 95 1.1% of uses Reference 1 <0.1% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Type “lighthouse (Q39715), light characteristic (Q1738955), lighthouse light (Q106975467)”: item must contain property “instance of (P31), subclass of (P279)” with classes “lighthouse (Q39715), light characteristic (Q1738955), lighthouse light (Q106975467)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: Utter Inn (Q7903424), no label (Q42308845)
List of violations of this constraint: Database reports/Constraint violations/P1030#Type Q39715, Q1738955, Q106975467, SPARQL

Format “((?!\b(FI)).)*”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1030#Format, SPARQL

pattern occurring only once
may be correct, but might be malformed (Help)
Violations query: SELECT (SAMPLE(?item) as ?item) ?value (COUNT(DISTINCT ?item) as ?count) WHERE { ?item wdt:P1030 ?value } GROUP BY ?value HAVING (?count = 1) ORDER BY DESC(?value) LIMIT 1000
List of this constraint violations: Database reports/Complex constraint violations/P1030#pattern occurring only once

basic patterns without an item
create an item for the light characteristic. Ensure patterns are normalized before creating items for them. (Help)
Violations query: SELECT (SAMPLE(?item) as ?item) ?value (COUNT(DISTINCT ?item) as ?count) { ?item wdt:P1030 ?value . FILTER NOT EXISTS { ?pattern wdt:P1030 ?value ; wdt:P31 wd:Q1738955 } . FILTER(REGEX(?value, "^(Iso\u007CFl\u007COc\u007CQ\u007CLFl\u007CVQ)(\\(\\d\\))? [WRGY]{1,4} [\\d\\.]+s$")) FILTER(!REGEX(?value, "FI")) } GROUP BY ?value ORDER BY DESC(?count) LIMIT 20
List of this constraint violations: Database reports/Complex constraint violations/P1030#basic patterns without an item

frequent pattern without item
create an item for the light characteristic. Ensure patterns are normalized before creating items for them. "W" might be missing. (Help)
Violations query: SELECT (SAMPLE(?item) as ?item) ?value (COUNT(DISTINCT ?item) as ?count) WHERE { ?item wdt:P1030 ?value . MINUS { ?pattern wdt:P1030 ?value ; wdt:P31 wd:Q1738955 } . FILTER(!REGEX(?value, "FI")) } GROUP BY ?value ORDER BY DESC(?count) LIMIT 20
List of this constraint violations: Database reports/Complex constraint violations/P1030#frequent pattern without item

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 (Help)
Violations query: SELECT ?item ?ltho ?value { ?ltho wdt:P1030 ?value . hint:Prior hint:rangeSafe true . FILTER NOT EXISTS { ?ltho p:P1030 / pq:P805 [] } ?item wdt:P31 wd:Q1738955 ; p:P1030/ps:P1030 ?value . ?ltho wdt:P31 wd:Q39715 . }
List of this constraint violations: Database reports/Complex constraint violations/P1030#item for pattern available

mismatch pattern and pattern on value of P1030
may be correct (Help)
Violations query: SELECT ?item ?ltho ?value ?pattern { ?ltho p:P1030 [pq:P805 ?item; ps:P1030 ?value] . FILTER NOT EXISTS { ?item wdt:P31 wd:Q1738955 ; p:P1030/ps:P1030 ?value } OPTIONAL { ?item wdt:P1030 ?pattern } }
List of this constraint violations: Database reports/Complex constraint violations/P1030#mismatch pattern and pattern on value of P1030

This property is being used by: en:Template:Infobox lighthouse es:Plantilla:Ficha de faro eu:Txantiloi:Eraikin infotaula automatikoa, eu:Txantiloi:Eraikin infotaula fr:Modèle:Infobox Phare hy:Կաղապար:Տեղեկաքարտ Փարոս sv:Modul:Fyr ast:Plantía:Ficha de faru, ast:Plantía:Edificiu, ast:Plantía:Edificiu2 fa:الگو:Infotaula edifici/آزمایشی ha:Template:Infobox building incubator:Template:Wp/shi/Infobox building kab:Talɣa:Infobox building uk:Шаблон:Картка:Маяк shi:Talɣa:Infobox building br:Patrom:Infobox tour-tan/gouloù th:แม่แบบ:กล่องข้อมูล ประภาคาร/ไฟ Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Pattern ^(Fl|Oc|Q) (\(\d\).+)$ will be automatically replaced to \1\2. Testing: TODO list

Pattern ^(Q|F|VQ)([RGW].*)$ will be automatically replaced to \1 \2. Testing: TODO list

Pattern ^(.*) (.*)$ will be automatically replaced to \1 \2. Testing: TODO list

Pattern ^ISO (.+)</nowiki>$ will be automatically replaced to Iso \1. Testing: TODO list

Pattern ^Occ (.+)$ will be automatically replaced to Oc \1. Testing: TODO list

Pattern ^FL (.+)$ will be automatically replaced to Fl \1. Testing: TODO list

Pattern ^(.*[A-Za-z])\.([ A-Za-z].+)$ will be automatically replaced to \1 \2. Testing: TODO list

Pattern ^(.+)\.$ will be automatically replaced to \1. Testing: TODO list

Pattern ^(.+\d) s$ will be automatically replaced to \1s. Testing: TODO list

Pattern ^(.*)[fF]ixed(.*)$ will be automatically replaced to \1F\2. Testing: TODO list

Pattern ^(.*)[fF]lash(ing|es| )(.*)$ will be automatically replaced to \1Fl\3. Testing: TODO list

Pattern ^(.*)[oO]cculting(.*)$ will be automatically replaced to \1Oc\2. Testing: TODO list

Pattern ^(.*)[iI]sophase(.*)$ will be automatically replaced to \1Iso\2. Testing: TODO list

Pattern ^(.*)[wW]hite(.*)$ will be automatically replaced to \1W\2. Testing: TODO list

Pattern ^(.*)[rR]ed(.*)$ will be automatically replaced to \1R\2. Testing: TODO list

Pattern ^(.*)[gG]reen(.*)$ will be automatically replaced to \1G\2. Testing: TODO list

Pattern ^(.*)[yY]ellow(.*)$ will be automatically replaced to \1Y\2. Testing: TODO list

Pattern ^(.*)[sS]econds?(.*)$ will be automatically replaced to \1s\2. Testing: TODO list

Pattern ^(.*)[sS]ec[ \.](.*)$ will be automatically replaced to \1s \2. Testing: TODO list

Pattern ^(.*\d)S$ will be automatically replaced to \1s. Testing: TODO list

Pattern ^(.*) (.*)$ will be automatically replaced to \1 \2. Testing: TODO list

Pattern ^(Fl|Iso|Oc) ([0-9]+)s$ will be automatically replaced to \1 W \2s. Testing: TODO list

Pattern ^(Iso|Fl|Oc|Q|LFl|VQ)(\(\d\))?( [WRGY]{1,4})\.([0-9]+)s$ will be automatically replaced to \1\2\3 \4. Testing: TODO list

According the proper handbook [1]

the sections should all be finished with a full stop (period). Such as

e.g. 1 - F.R.
     2 - Oc.W.R.6s
     3 - Fl.(2)W.5s

Separated by . not a space. So what is your reference? 49.145.128.113 07:11, 24 January 2018 (UTC)

•  Comment Normalizations above are generally based on the most frequent patterns. These tend to follow the samples at w:Light_characteristic#Class_of_light (oddly different from the article's illustration). USCG seems to use a similar syntax in its lists.
  --- Jura 19:15, 8 February 2018 (UTC)
• I really can't take that seriously. On page 11-12 it says that abverations should end with a . but one just have to look at page 10 to realize that is not the case. /ℇsquilo 09:03, 9 February 2018 (UTC)

"FI" instead of "Fl"

It looks like some patterns include FI for flashing (including an uppercase i instead of lowercase L). I added a constraint to find them. --- Jura 03:02, 27 August 2019 (UTC)

Wow! I had no idea that so many items I have created had that error. I suppose copy-and-paste from a list of lights was not as reliable as I thought... /ℇsquilo 14:54, 16 September 2019 (UTC)

I have noted that User:KrBot insists on changing "FLFl" (Fixed light with Long Flashes" to "FlFl". Even though FLFl is an odd characteristic, it is not wrong. FlFl on the other hand is nonsense. /ℇsquilo 18:15, 29 September 2021 (UTC)

Oh, I forgot to mention that the object in question is Nordkoster North lighthouse (Q39145498). /ℇsquilo 18:18, 29 September 2021 (UTC)

Autofix for missing "W" (white)

I added one above for "(Fl|Iso|Oc) ([0-9]+)s". This currently finds 108. --- Jura 07:39, 29 April 2021 (UTC)