Property talk:P8168

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FactGrid item ID
identifier for an item in FactGrid

Applicable "stated in" value	FactGrid (Q90405608)
Has quality	Wikibase item (Q29934200)
Data type	External identifier
Allowed values	Q\d+
Example	Johann Benjamin Koppe (Q1692667) → Q612 (RDF) human (Q5) → Q7 (RDF) doctoral thesis (Q187685) → Q23456 (RDF)
Source	https://database.factgrid.de/wiki/Main_Page
Formatter URL	https://database.factgrid.de/wiki/Item:$1 https://database.factgrid.de/wiki/Special:EntityData/$1.rdf
See also	FactGrid property ID (P10787)
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 Database reports/Constraint violations/P8168 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 391,862 Main statement 390,880 out of 415,100 (94% complete) 99.7% of uses Qualifier 4 <0.1% of uses Reference 978 0.2% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

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

List of violations of this constraint: Database reports/Constraint violations/P8168#Format, hourly updated report, SPARQL

Allowed entity types are Wikibase item (Q29934200), Wikibase form (Q54285143): 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/P8168#Entity types

Scope is as main value (Q54828448), as reference (Q54828450), as qualifier (Q54828449): 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/P8168#Scope, SPARQL

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/P8168#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/P8168#Unique value, SPARQL (every item), SPARQL (by value)

Single and distinct values contraint

@Olaf Simons: Is there any reason why this property shouldn't have unique-value and distinct-values constraints? In other words, are there cases where one Wikidata item woudl have more than one corresponding FactGrid item OR where one FactGrid item might correspond zo two different Wikidata items? Jonathan Groß (talk) 11:47, 14 December 2023 (UTC)