Property talk:P3993

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Vitaskrá ID
identifier of an Icelandic lighthouse or beacon in Vitaskrá, a list of lights by the Icelandic Coast Guard

Represents	Vitaskrá (Q29562346)
Data type	External identifier
Domain	According to this template: beacon (Q7321258) According to statements in the property: beacon (Q7321258) When possible, data should only be stored as statements
Allowed values	[1-9]\d*
Example	Kópasker Lighthouse (Q3378290) → 184 Reykjanesviti (Q937891) → 1 no label (Q2388138) → 197
Source	http://www.lhg.is/starfsemi/sjomaelingasvid/vitaskra/
Tracking: usage	Category:Pages using Wikidata property P3993 (Q30067852)
Related to country	Iceland (Q189) (See 6 others)
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 Items with no other external identifier 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) Database reports/Constraint violations/P3993 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 28 Main statement 25 89.3% of uses Qualifier 3 10.7% of uses
Search for values

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Format “[1-9]\d*”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P3993#Format, hourly updated report, SPARQL

Type “beacon (Q7321258)”: item must contain property “instance of (P31)” with classes “beacon (Q7321258)” 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/P3993#Type Q7321258, 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/P3993#Unique value, SPARQL (every item), SPARQL (by value)

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/P3993#Single value, SPARQL

Item “country (P17): Iceland (Q189)”: Items with this property should also have “country (P17): Iceland (Q189)”. (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/P3993#Item P17, search, 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/P3993#Entity types

This property is being used by: sl:Predloga:Lighthouse identifiers/list ko:틀:위키데이터 속성 추적 Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)