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Property talk:P1150

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Regensburg Classification
identifier used for this class in the Regensburg Classification system
  Scope is as main value (Q54828448): the property must be used by specified way only (Help)
List of this constraint violations: Database reports/Constraint violations/P1150#scope, hourly updated report, SPARQL, SPARQL (new)
  Conflicts with “instance of (P31): book (Q571): this property must not be used with the listed properties and values. (Help)
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P1150#Conflicts with P31, search, SPARQL, SPARQL (new)
  Conflicts with “instance of (P31): magazine (Q41298): this property must not be used with the listed properties and values. (Help)
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P1150#Conflicts with P31, search, SPARQL, SPARQL (new)
  Format “[A-Z]([A-Z]( [0-9]+)?)?( - [A-Z]([A-Z]( [0-9]+)?))?: value must be formatted using this pattern (PCRE syntax). (Help)
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P1150#Format, SPARQL, SPARQL (new)
  Distinct values: this property likely contains a value that is different from all other items. (Help)
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P1150#Unique value, SPARQL (every item), SPARQL (by value), SPARQL (new)
  Single value: this property generally contains a single value. (Help)
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P1150#Single value, SPARQL, SPARQL (new)
 

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

Why "string"?Edit

Why is the data type "string" and not "external identifier"? --Anvilaquarius (talk) 14:34, 10 September 2018 (UTC)

historical reasons. It could be converted to external identifier though -- JakobVoss (talk) 20:36, 10 September 2018 (UTC)
This property should actually migrated to external-id to support querying for RVK URIs in SPARQL and to let statements show up in the identifiers section. An example:
wd:Q75 wdt:P1150 "AP 18420" should be
wd:Q75 wdt:P1150 <http://rvk.uni-regensburg.de/nt/AP%2018420> instead. -- JakobVoss (talk) 09:10, 12 July 2019 (UTC)
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