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Wikidata
:
WikiProject Supertemplates/doc/P2049
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Wikidata:WikiProject Supertemplates
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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
)
...
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Wikidata qualifier
•
allowed qualifiers constraint
start time
(P580)
:
time an entity begins to exist or a statement starts being valid
end time
(P582)
:
moment when an entity ceases to exist or a statement stops being valid
point in time
(P585)
:
date something took place, existed or a statement was true; for providing time use the "refine date" property (P4241)
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Property constraint
allowed units constraint
(Q21514353)
:
type of constraint for Wikidata properties: used to specify that only listed units may be used
→
item of property constraint
→
millimetre
•
centimetre
•
metre
•
kilometre
•
inch
•
foot
•
pixel
• ...
range constraint
(Q21510860)
:
type of constraint for Wikidata properties: used to specify that the value must be between two given values
conflicts-with constraint
(Q21502838)
:
type of constraint for Wikidata properties: used to specify that an item must not have a given statement
→
item of property constraint
→
human
width
(P2049)
:
width of an object
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Liberty Leading the People
(Q29530)
:
painting by Eugène Delacroix
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width
325 centimetre
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