Property talk:P9880

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Festivaletteratura person ID
identifier for a person on the Festivaletteratura website

Associated item	Festivaletteratura (Q3744270)
Applicable "stated in" value	Archivio Festivaletteratura (Q108532541)
Has quality	numeric identifier (Q93868746)
Data type	External identifier
Allowed values	[1-9]\d*
Example	Vandana Shiva (Q235451) → 3517 Daniel Pennac (Q332689) → 2218 Alberto Angela (Q514695) → 4793 Mauro Corona (Q469083) → 1561 Stefania Sandrelli (Q238547) → 3654 Zaü (Q3574988) → 1701
Source	https://archivio.festivaletteratura.it/persone
Formatter URL	https://archivio.festivaletteratura.it/entita/$1
Related to country	Italy (Q38) (See 403 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) Chart by item creation date Mix'n'match (Report) Database reports/Constraint violations/P9880 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,660 Main statement 1,632 out of 4,898 (33% complete) 98.3% of uses Qualifier 6 0.4% of uses Reference 22 1.3% of uses
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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/P9880#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

List of violations of this constraint: Database reports/Constraint violations/P9880#Unique value, hourly updated report, SPARQL (every item), SPARQL (by value)

Item “instance of (P31)”: Items with this property should also have “instance of (P31)”. (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/P9880#Item P31, search, SPARQL

Item “occupation (P106)”: Items with this property should also have “occupation (P106)”. (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/P9880#Item P106, 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/P9880#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/P9880#Scope, SPARQL

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

List of violations of this constraint: Database reports/Constraint violations/P9880#Format, hourly updated report, SPARQL

Label required in languages: it: Entities using this property should have labels in one of the following languages: it (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/P9880#Label in 'it' language, search, SPARQL