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Wikidata
:
WikiProject Supertemplates/doc/P30
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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
applies to part
(P518)
:
part, aspect, or form of the item to which the claim applies
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Property constraint
one-of constraint
(Q21510859)
:
type of constraint for Wikidata properties: used to specify that the value for this property has to be one of a given set of items
→
item of property constraint
→
Asia
•
Africa
• ...
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
→
geographic entity
•
fictional country
•
religion of an area
•
culture of an area
continent
(P30)
:
continent of which the subject is a part
edit
Soviet Union
(Q15180)
:
former country in Eurasia (1922–1991)
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continent
Europe
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add reference
Asia
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0 references
add reference
add value
