Property talk:P2004

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NALT ID
identifier for subject headings in the Agricultural Thesaurus of the United States National Agricultural Library

Applicable "stated in" value	National Agricultural Library Thesaurus (Q17364107)
Has quality	numeric identifier (Q93868746)
Data type	External identifier
Domain	subject categories of AGRICOLA (Q4651693), Food Safety Research Information Office (FSRIO) and Agriculture Network Information Center (Q4693998) (note: this should be moved to the property statements)
Allowed values	[1-9]\d* (an integer with no leading zeroes)
Example	electric motor (Q72313) → 36163 (RDF) oxygen (Q629) → 8381 (RDF)
Source	https://agclass.nal.usda.gov/dne/search.shtml https://agclass.nal.usda.gov/es/form/thesaurus-search
Formatter URL	https://lod.nal.usda.gov/nalt/$1 https://lod.nal.usda.gov/nalt/$1.rdf
Tracking: usage	Category:Pages using Wikidata property P2004 (Q61034955)
Related to country	United States (Q30) (See 819 others)
See also	AGROVOC ID (P8061), CAB ID (P8072), GACS ID (P4427), AEDA subject keyword ID (P10920)
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/P2004 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 8,335 Main statement 8,232 out of 75,421 (11% complete) 98.8% of uses Qualifier 2 <0.1% of uses Reference 101 1.2% of uses
Search for values

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

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

List of violations of this constraint: Database reports/Constraint violations/P2004#Format, hourly updated report, 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). Known exceptions: flatfish (Q68457511), Pleuronectiformes (Q59577), electron paramagnetic resonance (Q260463), electron spin resonance spectroscopy (Q73498072), nanomaterial (Q967847), nanostructure (Q1093894)
List of violations of this constraint: Database reports/Constraint violations/P2004#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: stilbenoid (Q526360), drylands (Q5309708), treaty (Q131569), Ixodida (Q10304508)
List of violations of this constraint: Database reports/Constraint violations/P2004#Single value, 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/P2004#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/P2004#Scope, SPARQL

Label required in languages: en: Entities using this property should have labels in one of the following languages: en (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/P2004#Label in 'en' language, search, SPARQL

Qualifiers “reason for preferred rank (P7452), reason for deprecated rank (P2241), subject named as (P1810), alternative name (P4970), intended subject of deprecated statement (P8327), mapping relation type (P4390), scope note (P9570), broader concept (P4900), subject has role (P2868)”: this property should be used only with the listed qualifiers. (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/P2004#allowed qualifiers, SPARQL

This property is being used by:

• zh:Template:Dcard

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Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)