Property talk:P6404

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Treccani's Dizionario di Storia ID
identifier for Dizionario di Storia ("Dictionary of History") by Treccani

Associated item	Institute of the Italian Encyclopaedia (Q3803714)
Applicable "stated in" value	Dizionario di Storia (Q84087675)
Data type	External identifier
Allowed values	[a-z]+[a-z0-9]*(\-[a-z0-9]+)*(_res\-[0-9a-f]{8}(\-[0-9a-f]{4}){3}\-[0-9a-f]{12})?
Example	Giuseppe Garibaldi (Q539) → giuseppe-garibaldi French Revolution (Q6534) → rivoluzione-francese Confucianism (Q9581) → confucianesimo
Source	https://www.treccani.it/enciclopedia/elenco-opere/Dizionario_di_Storia
Formatter URL	https://www.treccani.it/enciclopedia/$1_(Dizionario-di-Storia)
Tracking: usage	Category:Pages using Wikidata property P6404 (Q61703536)
Related to country	Italy (Q38) (See 397 others)
See also	Treccani's Biographical Dictionary of Italian People ID (P1986), Treccani ID (P3365), Treccani's Enciclopedia Italiana ID (P4223), Treccani's Dizionario di Filosofia ID (P7993)
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/P6404 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 8,957 Main statement 8,918 out of 8,869 (101% complete) 99.6% of uses Qualifier 3 <0.1% of uses Reference 36 0.4% 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/P6404#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/P6404#Unique value, SPARQL (every item), SPARQL (by value)

Format “[a-z]+[a-z0-9]*(\-[a-z0-9]+)*(_res\-[0-9a-f]{8}(\-[0-9a-f]{4}){3}\-[0-9a-f]{12})?”: 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/P6404#Format, 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/P6404#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/P6404#Scope, 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/P6404#Label in 'it' language, search, SPARQL

Pattern ^(.*)_+(?:\(Dizionario[_\-]di[_\-]Storia\))?$ will be automatically replaced to \1. Testing: TODO list

This property is being used by: it:Template:Collegamenti esterni Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)