Property talk:P1652

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referee
referee or umpire of a match

Description	referee or umpire of a match
Represents	referee (Q202648)
Data type	Item
Template parameter	"referee" in en:template:Infobox football match
Domain	According to this template: Any sporting event (e.g. an instance of association football match (Q16466010) or any other subclass of sporting event (Q16510064)) According to statements in the property: sporting event (Q16510064) or sports competition (Q13406554) When possible, data should only be stored as statements
Allowed values	Any human (Q5) (note: this should be moved to the property statements)
Example	1931 FA Cup Final (Q4562832) → Harry Kingscott (Q16227123) 1987 Rugby World Cup Final (Q4583876) → Kerry Fitzgerald (Q3195502)
Source	en:template:Infobox football match (note: this information should be moved to a property statement; use property source website for the property (P1896))
Robot and gadget jobs	Bots could collect data from infoboxes to add this property to Wikidata items
Tracking: usage	Category:Pages using Wikidata property P1652 (Q29168730)
Tracking: local yes, WD no	no label (Q101364426)
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 Total of sitelinks on items Most identifiers Fewest 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/Constraint violations/P1652 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 31,313 Main statement 31,292 >99.9% of uses Qualifier 19 <0.1% of uses Reference 2 <0.1% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Qualifiers “start time (P580), end time (P582), replaced by (P1366), applies to part (P518), object has role (P3831), reason for deprecated rank (P2241), reason for preferred rank (P7452), country for sport (P1532), earliest date (P1319), latest start date (P8555), earliest end date (P8554), latest date (P1326)”: this property should be used only with the listed qualifiers. (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/P1652#allowed qualifiers, SPARQL

Value type “human (Q5)”: 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) (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/P1652#Value type Q5, SPARQL

Contemporaries:
if [item A] has this property (referee (P1652)) linked to [item B],
then [item A] and [item B] have to coincide or coexist at some point of history. (Help)

List of violations of this constraint: Database reports/Constraint violations/P1652#Contemporary, hourly updated report, SPARQL

Type “sporting event (Q16510064), sports competition (Q13406554)”: item must contain property “instance of (P31)” with classes “sporting event (Q16510064), sports competition (Q13406554)” 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/P1652#Type Q16510064, Q13406554, 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/P1652#Entity types

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/P1652#Scope, SPARQL

This property is being used by: hy:Կաղապար:Տեղեկաքարտ Ֆուտբոլային հանդիպում it:Template:Incontro di calcio, it:Template:Incontro sportivo, it:Template:Edizione di reality pt:Predefinição:Info/Partida de futebol/Wikidata Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Unique value

Why is this property a unique value? --Balû (talk) 07:29, 9 May 2017 (UTC)

I decided to delete this constraint because of no answer to my question. --Balû (talk) 08:53, 11 June 2017 (UTC)