Property talk:P4661

Latest comment: 6 years ago by PKM in topic Inverse

Documentation

reservoir created
reservoir created upstream of a dam by this dam
[create Create a translatable help page (preferably in English) for this property to be included here]
Type “dam (Q12323), hydroelectric power station (Q15911738): item must contain property “instance of (P31)” with classes “dam (Q12323), hydroelectric power station (Q15911738)” or their subclasses (defined using subclass of (P279)). (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/P4661#Type Q12323, Q15911738, SPARQL
Value type “reservoir (Q131681): 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 reservoir (Q131681) (or a subclass thereof). (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/P4661#Value type Q131681, SPARQL
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/P4661#Single value, SPARQL
Conflicts with “lake on watercourse (P469): 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/P4661#Conflicts with P469, search, 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/P4661#Scope, hourly updated report, SPARQL
 
Replaces other properties
Other properties to link item and value are generally not need. named after (P138) can remain as it's about the name of the dam. (Help)
Violations query: SELECT ?item ?itemLabel ?p ?pLabel ?value ?valueLabel { ?item wdt:P4661 ?value . ?item ?wdt ?value . ?p wikibase:directClaim ?wdt . FILTER(?wdt != wdt:P4661 ) FILTER(?wdt != wdt:P138 ) SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". } } LIMIT 1000
List of this constraint violations: Database reports/Complex constraint violations/P4661#Replaces other properties
 
Might replace others
This property might be used to replace other currently used properties. List of samples only, due to timeout problems. (Help)
Violations query: SELECT ?item ?p ?value WHERE { ?item wdt:P31 wd:Q12323 . ?value wdt:P31 wd:Q131681 . ?item ?wdt ?value . ?p wikibase:directClaim ?wdt . FILTER(?wdt != wdt:P4661 && ?wdt != wdt:P138 ) } LIMIT 3
List of this constraint violations: Database reports/Complex constraint violations/P4661#Might replace others

Inverse edit

It has been suggested on Wikidata:Project chat that the inverse constraint on this property should be removed. - PKM (talk) 19:43, 19 December 2017 (UTC)Reply

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