Property talk:P1151

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topic's main Wikimedia portal
Wikimedia portal associated with this topic

Description	Wikimedia portal associated with this topic
Represents	Wikimedia portal (Q4663903)
Has quality	complex constraint value label (Q100884525)
Data type	Item
Allowed values	Wikimedia portal (Q4663903) (note: this should be moved to the property statements)
Example	Paris (Q90) → Portal:Paris (Q8253667) badminton (Q7291) → Portal:Badminton (Q13406680)
Source	Wikipedia portal boxes used on same-name articles (note: this information should be moved to a property statement; use property source website for the property (P1896))
Robot and gadget jobs	DeltaBot does the following jobs: Add inverse statements from P1204
Tracking: usage	Category:Pages using Wikidata property P1151 (Q61035442)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Most identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Complex constraint violations/P1151 Database reports/Constraint violations/P1151 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,920 Main statement 1,917 99.8% of uses Qualifier 2 0.1% of uses Reference 1 <0.1% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Value type “Wikimedia portal (Q4663903)”: 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 Wikimedia portal (Q4663903) (or a subclass thereof). (Help)

List of violations of this constraint: Database reports/Constraint violations/P1151#Value type Q4663903, hourly updated report, SPARQL

Single value: this property generally contains a single value. (Help)

List of violations of this constraint: Database reports/Constraint violations/P1151#Single value, hourly updated report, 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/P1151#Unique value, SPARQL (every item), SPARQL (by value)

Inverse property of “Wikimedia portal's main topic (P1204)”:
if [item A] has this property (topic's main Wikimedia portal (P1151)) linked to [item B],
then [item B] should also have property “Wikimedia portal's main topic (P1204)” linked to [item A]. (Help)

List of violations of this constraint: Database reports/Constraint violations/P1151#inverse, hourly updated report, SPARQL

Conflicts with “instance of (P31): Wikimedia category (Q4167836)”: this property must not be used with the listed properties and values. (Help)

List of violations of this constraint: Database reports/Constraint violations/P1151#Conflicts with P31, hourly updated report, search, 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/P1151#Scope, SPARQL

value label (1: should match regex)
fix label or adjust regex for language at Property:P1151#P1552: complex constraint value label (Q100884525) (Help)
Violations query: SELECT ?item ?lang ?l ?value ?v ?t WHERE { hint:Query hint:optimizer "None". wd:P1151 p:P1552 [ ps:P1552 wd:Q100884525 ; pq:P8770 ?t ] BIND( lang(?t) as ?lang) ?item wdt:P1151 ?value. ?item rdfs:label ?l . FILTER(lang(?l) = ?lang) ?value rdfs:label ?v . FILTER(lang(?v) = ?lang) FILTER ( !REGEX(str(?v), str(?t) ) ) } # ORDER BY ?lang ?v
List of this constraint violations: Database reports/Complex constraint violations/P1151#value label (1: should match regex)

value label (1: languages lacking a regex)
determine a regex and add it at Property:P1151#P1552: complex constraint value label (Q100884525) (Help)
Violations query: SELECT ?item ?lang (COUNT(*) as ?count) (SAMPLE(?l) as ?sample) WHERE { hint:Query hint:optimizer "None". [] wdt:P1151 ?v . ?v rdfs:label ?l . BIND(lang(?l) as ?lang) OPTIONAL { wd:P1151 p:P1552 [ ps:P1552 wd:Q100884525 ; pq:P8770 ?t ] FILTER( lang(?t) = ?lang) } FILTER( !BOUND(?t) ) ?item wdt:P424 ?lang ; wdt:P305 [] . } GROUP BY ?item ?lang HAVING ( ?count > 9) ORDER BY DESC ( ?count)
List of this constraint violations: Database reports/Complex constraint violations/P1151#value label (1: languages lacking a regex)

This property is being used by: hy:Կաղապար:Տեղեկաքարտ Ընկերություն, hy:Կաղապար:Տեղեկաքարտ Սպորտ uk:Шаблон:Місто, uk:Шаблон:НП, uk:Шаблон:НП/пісочниця hyw:Կաղապար:Տեղեկաքարտ Ընկերութիւն Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Q6889693

Please look at this case at Property talk:P1204#Q6889693. Here is the question about "unique" constraint. --Infovarius (talk) 13:48, 17 February 2015 (UTC)