Property talk:P2750

Documentation

Photographers’ Identities Catalog ID
identifier used in Photographers’ Identities Catalog
Applicable "stated in" valuePhotographers’ Identities Catalog (Q23892012)
Data typeExternal identifier
Domain
According to statements in the property:
human (Q5), studio (Q746628), group of humans (Q16334295) or world's fair (Q172754)
When possible, data should only be stored as statements
Allowed values[1-9]\d*
ExampleBerenice Abbott (Q231861)1669
Ferrier & Soulier (Q12005298)332709
Keystone View Company (Q15461771)2154
Sourcehttps://pic.nypl.org/
Formatter URLhttps://pic.nypl.org/constituents/$1
http://pic.nypl.org/constituents/$1
Tracking: usageCategory:Pages with PIC identifiers (Q41155089)
Lists
Proposal discussionProposal discussion
Current uses
Total30,925
Main statement23,06174.6% of uses
Qualifier7<0.1% of uses
Reference7,85725.4% of uses
Search for values
[create Create a translatable help page (preferably in English) for this property to be included here]
Single value: this property generally contains a single value. (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/P2750#Single value, 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).
List of violations of this constraint: Database reports/Constraint violations/P2750#Unique value, SPARQL (every item), SPARQL (by value)
Format “[1-9]\d*: value must be formatted using this pattern (PCRE syntax). (Help)
List of violations of this constraint: Database reports/Constraint violations/P2750#Format, hourly updated report, SPARQL
Item “instance of (P31): Items with this property should also have “instance of (P31)”. (Help)
List of violations of this constraint: Database reports/Constraint violations/P2750#Item P31, hourly updated report, search, SPARQL
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/P2750#Entity types
Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (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/P2750#Scope, SPARQL
 
This property is being used by:

Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

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