Property talk:P9996

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Chi era Costui plaque ID
identifier for italian monuments and plaques

Applicable "stated in" value	Chi era Costui (Q108910778)
Data type	External identifier
Domain	commemorative plaque (Q721747), monument (Q4989906), plaque (Q4364339), bust (Q17489160) or statue (Q179700)
Allowed values	[1-9]\d*
Example	commemorative plaque to Giorgio Ambrosoli (Q56642053) → 25758 no label (Q56642055) → 6415
Formatter URL	http://www.chieracostui.com/costui/docs/search/scheda.asp?ID=$1
Related to country	Italy (Q38) (See 396 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 Database reports/Constraint violations/P9996 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,077 Main statement 639 59.3% of uses Qualifier 2 0.2% of uses Reference 436 40.5% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Type “commemorative plaque (Q721747), monument (Q4989906), plaque (Q4364339), bust (Q17489160), statue (Q179700)”: item must contain property “instance of (P31)” with classes “commemorative plaque (Q721747), monument (Q4989906), plaque (Q4364339), bust (Q17489160), statue (Q179700)” 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/P9996#Type Q721747, Q4989906, Q4364339, Q17489160, Q179700, 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/P9996#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). Known exceptions: stele to Rina Chiarini (Clara) and Remo Scappini (Giovanni) (Q111653450)
List of violations of this constraint: Database reports/Constraint violations/P9996#Single value, SPARQL

Format “[1-9]\d*”: 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/P9996#Format, SPARQL

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/P9996#Scope, 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/P9996#Entity types

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/P9996#Label in 'it' language, search, SPARQL

New examples

Hi all. FYI I am starting to collect some border-line cases (e.g. memorial parks without monuments, squares or dedicated old building) that we need to address. I am going to ping all people involved in the proposal procedure about them.--Alexmar983 (talk) 11:15, 20 April 2022 (UTC)

example Q111653575.--Alexmar983 (talk) 05:07, 25 April 2022 (UTC)

something that we should validate now is bust, see Q97039483--Alexmar983 (talk) 20:15, 4 May 2022 (UTC)