Property talk:P5408

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Fantastic Fiction author ID
identifier for an author on the Fantastic Fiction website

Associated item	Fantastic Fiction (Q21777935)
Applicable "stated in" value	Fantastic Fiction (Q21777935)
Data type	External identifier
Allowed values	[a-z]/[a-z-]+
Example	James Ellroy (Q318487) → e/james-ellroy Colum McCann (Q966228) → m/colum-mccann Louise Mensch (Q583783) → b/louise-bagshawe
Source	https://www.fantasticfiction.com/
Formatter URL	https://www.fantasticfiction.com/$1/
Tracking: usage	Category:Pages using Wikidata property P5408 (Q55333331)
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) Chart by item creation date Map of people by place values: place of birth educated at work location residence place of death place of burial January 1st dates People with date of birth on January 1 People with date of death on January 1 People with both dates on January 1 Mix'n'match (Report) Database reports/Constraint violations/P5408 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 3,731 Main statement 3,668 out of 50,000 (7% complete) 98.3% of uses Qualifier 3 <0.1% of uses Reference 60 1.6% of uses
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Item “instance of (P31): human (Q5), group of humans (Q16334295)”: Items with this property should also have “instance of (P31): human (Q5), group of humans (Q16334295)”. (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/P5408#Item P31, search

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/P5408#Single value, 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/P5408#Unique value, SPARQL (every item), SPARQL (by value)

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/P5408#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): 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/P5408#Scope, SPARQL

Format “[a-z]/[a-z-]+”: value must be formatted using this pattern (PCRE syntax). (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/P5408#Format, SPARQL