Wikidata:Database reports/Complex constraint violations/P31

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Complex constraint violations report for instance of (Discussion, uses, items, changes): that class of which this subject is a particular example and member (subject typically an individual member with a proper name label); different from P279; using this property as a qualifier is deprecated—use P2868 or P3831 instead
Data time stamp: 2018-12-18 21:05 (UTC)
The report is generated based on the settings on Property talk:P31.
Updates overwrite this page. Some may already be fixed since the last update: check RecentChangesLinked.
The report can include false positives. No need to "fix" them.

Multiple P31 claims lead to duplicate tuples[edit]

Multiple P31 claims are unnecessary in most cases with Wikimedia-related items. Consider facet of (P1269) instead of second P31 value.

no results or query error

P31=samevalue and P279=samevalue[edit]

in most cases this is an oversight or item that needs update after child item(s) were added

violations count: 2198

P31=samevalue and P279=samevalue (indirect P279)[edit]

in most cases this is an oversight or item that needs update after child item(s) were added

no results or query error

Strange P31 link between parents in P279[edit]

violations count: 151

Avoid P31 of P279 of Q5 (P106 or other properties should be created)[edit]

violations count: 471

Second claim and unspecific[edit]

is most cases unspecific could be replaced with specific variant

violations count: 435

Can't be human and possibly fictional[edit]

keep only one claim

violations count: 284

Can't be one thing and group of things[edit]

keep only one claim, split into several items: Q1880543, Q161678, Q232009

no results or query error

Can't be ?item P31 ?item[edit]

impossible claim or it should be a separate item

no results or query error

Can't be instance of human and occupation[edit]

Should not an instance of (P31) both a human (Q5) and an occupation (Q12737077). Consider using occupation (P106).

violations count: 361

Can't be instance of human and position[edit]

Should not be an instance of (P31) both a human (Q5) and an position (Q4164871). Consider using position held (P39).

violations count: 54

Can't be instance of song and single[edit]

Items should not be an instance of (P31) both a song (Q7366) and a single (Q134556); the release (Q2031291) (single) should be separate from the creative work (Q17537576) (song). Sitelinks should usually be attached to items about songs. Consider removing one statement (probably single (Q134556)), and creating a new item for the other entity. Songs and singles can be linked with tracklist (P658) and part of (P361).

violations count: 7319