Property talk:P4724

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Maitron ID
identifier for a person on the online version of Le Maitron, a biographical dictionary of the French labour movement

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Format “[1-9]\d*”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4724#Format, hourly updated report, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: Robert Barrat (Q3434517), Denise Barrat (Q48638682)
List of violations of this constraint: Database reports/Constraint violations/P4724#Unique value, SPARQL (every item), SPARQL (by value)

Item “instance of (P31): human (Q5), organization (Q43229), occurrence (Q1190554), syndicate (Q681615), event (Q1656682), creative work (Q17537576), execution by shooting (Q15747939), execution by firing squad (Q216169), massacre (Q3199915), memorial (Q5003624), memory space (Q1354775), war memorial (Q575759), cemetery (Q39614), congress (Q2495862), group of humans (Q16334295), manifesto (Q46337), podcast (Q24634210)”: Items with this property should also have “instance of (P31): human (Q5), organization (Q43229), occurrence (Q1190554), syndicate (Q681615), event (Q1656682), creative work (Q17537576), execution by shooting (Q15747939), execution by firing squad (Q216169), massacre (Q3199915), memorial (Q5003624), memory space (Q1354775), war memorial (Q575759), cemetery (Q39614), congress (Q2495862), group of humans (Q16334295), manifesto (Q46337), podcast (Q24634210)”. (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/P4724#Item P31

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (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/P4724#Entity types

Label required in languages: fr: Entities using this property should have labels in one of the following languages: fr (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/P4724#Label in 'fr' language, search, SPARQL