v t e Documentation science

Has list	Persons (person) Places (human settlement) Artworks (work)

Classification scheme	list of Wikidata properties (related category) list of Wikidata identifiers (related category) ...

v t e Wikidata qualifier • allowed qualifiers constraint

	point in time (P585): date something took place, existed or a statement was true; for providing time use the "refine date" property (P4241)

subject type constraint (Q21503250): type of constraint for Wikidata properties: used to specify that the item described by such properties should be a subclass or instance of a given type → class → human settlement • country • church building • territory
integer constraint (Q52848401): constraint type used when values have to be integer only
range constraint (Q21510860): type of constraint for Wikidata properties: used to specify that the value must be between two given values
item-requires-statement constraint (Q21503247): type of constraint for Wikidata properties: used to specify that an item with this property should also have another given property → population • instance of
single-value constraint (Q19474404): type of constraint for Wikidata properties: used to specify that this property generally contains a single value per item
→ separator → point in time • determination method • applies to part • excluding • sourcing circumstances