Property talk:P1731
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Documentation
Fach vocal classification
method of classifying opera singers according to the range, weight, and color of their voices
method of classifying opera singers according to the range, weight, and color of their voices
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Type “human (Q5), fictional character (Q95074)”: item must contain property “instance of (P31)” with classes “human (Q5), fictional character (Q95074)” or their subclasses (defined using subclass of (P279)). (Help)
List of violations of this constraint: Database reports/Constraint violations/P1731#Type Q5, Q95074, hourly updated report, SPARQL List of violations of this constraint: Database reports/Constraint violations/P1731#Item P21, hourly updated report, search, SPARQL
Value type “Fach (Q1748957)”: 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 Fach (Q1748957) (or a subclass thereof). (Help)
List of violations of this constraint: Database reports/Constraint violations/P1731#Value type Q1748957, hourly updated report, SPARQLItem “date of birth (P569)”: Items with this property should also have “date of birth (P569)”. (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/P1731#Item P569, SPARQL
Scope is as main value (Q54828448): the property must be used by specified way only (Help)
List of violations of this constraint: Database reports/Constraint violations/P1731#Scope, hourly updated report, SPARQL