Property talk:P87
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librettist
author of the libretto (words) of an opera, operetta, oratorio or cantata, or of the book of a musical
author of the libretto (words) of an opera, operetta, oratorio or cantata, or of the book of a musical
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Type “work (Q386724), performing arts production (Q43099500)”: item must contain property “instance of (P31)” with classes “work (Q386724), performing arts production (Q43099500)” or their subclasses (defined using subclass of (P279)). (Help)
List of violations of this constraint: Database reports/Constraint violations/P87#Type Q386724, Q43099500, hourly updated report, SPARQLValue type “human (Q5), fictional human (Q15632617), group of humans (Q16334295)”: This property should use items as value that contain property “instance of (P31)”. On these, the value for instance of (P31) should be an item that uses subclass of (P279) with value human (Q5), fictional human (Q15632617), group of humans (Q16334295) (or a subclass thereof). (Help)
List of violations of this constraint: Database reports/Constraint violations/P87#Value type Q5, Q15632617, Q16334295, hourly updated report, SPARQLProperty “occupation (P106): librettist (Q8178443), writer (Q36180), novelist (Q6625963), opera composer (Q21680731), playwright (Q214917)” declared by target items of “librettist (P87)”: If [item A] has this property with value [item B], [item B] is required to have property “occupation (P106): librettist (Q8178443), writer (Q36180), novelist (Q6625963), opera composer (Q21680731), playwright (Q214917)”. (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/P87#Target required claim P106, SPARQL
Scope is as main value (Q54828448): 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/P87#Scope, 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/P87#Entity types
Conflicts with “instance of (P31): libretto (Q131084)”: this property must not be used with the listed properties and values. (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/P87#Conflicts with P31, search, SPARQL
This property is being used by:
Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.) |
opera
[edit]The property description here clearly says that this is to be used for operas, but 17 items currently use it for national anthem (Q23691). Should they not use P87, and instead use lyricist (P676), and shouldn't the type constraint for this be narrowed to opera or subclasses of opera? --Haplology (talk) 07:08, 24 November 2014 (UTC)