Property talk:P1648

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Dictionary of Welsh Biography ID
identifier per the Dictionary of Welsh Biography

Description	Identifier for the Dictionary of Welsh Biography
Represents	Dictionary of Welsh Biography (Q5273977)
Applicable "stated in" value	Dictionary of Welsh Biography (Q5273977)
Has quality	complex constraint label language (Q102746314)
Data type	External identifier
Domain	According to this template: instance of (P31):human (Q5) According to statements in the property: human (Q5) or family (Q8436) When possible, data should only be stored as statements
Allowed values	s\d{0,2}-[A-Z0]{4}-[A-Z0]{3,4}-\d{4}
Example	David Lloyd George (Q134982) → s2-LLOY-DAV-1863 Kate Roberts (Q3402447) → s10-ROBE-KAT-1891
Source	Dictionary of Welsh Biography Y Bywgraffiadur Cymreig
Formatter URL	https://biography.wales/article/$1 https://bywgraffiadur.cymru/article/$1
Tracking: usage	Category:Pages using Wikidata property P1648 (Q57927445)
Related to country	United Kingdom (Q145) (See 202 others) (Wales (Q25))
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 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 Chart by item creation date Mix'n'match (Report) Database reports/Humans with missing claims/P1648 Database reports/Constraint violations/P1648 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 4,683 Main statement 4,633 98.9% of uses Qualifier 3 <0.1% of uses Reference 47 1% of uses
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Format “s\d{0,2}-[A-Z0]{4}-[A-Z0]{3,4}-\d{4}”: value must be formatted using this pattern (PCRE syntax). (Help) Exceptions are possible as rare values may exist. Known exceptions: Frances Hoggan (Q4793810) List of this constraint violations: Database reports/Constraint violations/P1648#Format, SPARQL, SPARQL (new)

Single value: this property generally contains a single value. (Help) Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P1648#Single value, SPARQL, SPARQL (new)

Distinct values: this property likely contains a value that is different from all other items. (Help) Exceptions are possible as rare values may exist. Known exceptions: Evan Moses (Q20748824), Evan Moses (Q20748825) List of this constraint violations: Database reports/Constraint violations/P1648#Unique value, SPARQL (every item), SPARQL (by value), SPARQL (new)

Type “human (Q5), family (Q8436)”: element must contain property “instance of (P31)” with classes “human (Q5), family (Q8436)” or their subclasses (defined using subclass of (P279)). (Help) Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P1648#type Q5, Q8436, SPARQL, SPARQL (new)

Item “sex or gender (P21)”: Items with this property should also have “sex or gender (P21)”. (Help) Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P1648#Item P21, search, SPARQL, SPARQL (new)

Item “date of birth (P569)”: Items with this property should also have “date of birth (P569)”. (Help) Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P1648#Item P569, SPARQL, SPARQL (new)

Item “place of birth (P19)”: Items with this property should also have “place of birth (P19)”. (Help) Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P1648#Item P19, search, SPARQL, SPARQL (new)

Item “given name (P735)”: Items with this property should also have “given name (P735)”. (Help) Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P1648#Item P735, search, SPARQL, SPARQL (new)

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. List of this constraint violations: Database reports/Constraint violations/P1648#allowed entity types, SPARQL (new)