Property talk:P3266

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Library of Congress Format Description Document ID
identifier for file formats in the Library of Congress database

Represents	file format (Q235557), file format family (Q26085352)
Associated item	Library of Congress (Q131454)
Data type	External identifier
Domain	According to this template: file format (Q235557) According to statements in the property: data format (Q494823), file format family (Q26085352), technical standard (Q317623), codec (Q184748), encoding (Q18653), artificial language (Q3247505) or algorithm (Q8366) When possible, data should only be stored as statements
Allowed values	fdd\d{6}
Example	Ogg (Q188199) → fdd000026 Web Archive Collection Zipped (Q104903124) → fdd000586 Digital Forensics XML (Q105855984) → fdd000611
Source	http://www.digitalpreservation.gov/formats/intro/intro.shtml
Formatter URL	http://www.loc.gov/preservation/digital/formats/fdd/$1.shtml
Related to country	United States of America (Q30) (See 762 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/P3266 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 540 Main statement 537 99.4% of uses Qualifier 3 0.6% of uses
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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/P3266#Unique value, hourly updated report, 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).
List of violations of this constraint: Database reports/Constraint violations/P3266#Single value, SPARQL

Type “data format (Q494823), file format family (Q26085352), technical standard (Q317623), codec (Q184748), encoding (Q18653), artificial language (Q3247505), algorithm (Q8366)”: item must contain property “instance of (P31)” with classes “data format (Q494823), file format family (Q26085352), technical standard (Q317623), codec (Q184748), encoding (Q18653), artificial language (Q3247505), algorithm (Q8366)” 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/P3266#Type Q494823, Q26085352, Q317623, Q184748, Q18653, Q3247505, Q8366, SPARQL

Format “fdd\d{6}|”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P3266#Format, hourly updated report, 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/P3266#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/P3266#Scope, SPARQL

This property is being used by: ca:Plantilla:Infotaula format de fitxer Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)