Concepts — RDF Data Model

Graph location

Graph	IRI
Concepts & Collections	concepts/definitions
Concept Scheme	concepts/definitions/scheme

Namespace prefixes

Prefix	Namespace
rdf	http://www.w3.org/1999/02/22-rdf-syntax-ns#
skos	http://www.w3.org/2004/02/skos/core#
dc	http://purl.org/dc/elements/1.1/
dcterms	http://purl.org/dc/terms/
insee	http://rdf.insee.fr/def/base#
pav	http://purl.org/pav/
evoc	http://eurovoc.europa.eu/schema#
xkos	http://rdf-vocabulary.ddialliance.org/xkos#

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Concept (skos:Concept)

Identity

Predicate	Type	Description
rdf:type	IRI	Always skos:Concept
skos:notation	Literal	Unique identifier of the concept
skos:inScheme	IRI	Reference to the concept scheme (concepts/definitions/scheme)

Labels

Predicate	Type	Description
skos:prefLabel	Literal (lang)	Preferred label — multilingual (fr, en)
skos:altLabel	Literal (lang)	Alternative labels — multilingual

Notes

Predicate	Type	Description
skos:definition	Literal / blank node	Definition of the concept
skos:scopeNote	Literal / blank node	Short scope note
skos:editorialNote	Literal / blank node	Editorial note (internal)
skos:changeNote	Literal / blank node	Change history note
evoc:noteLiteral	Literal	Plain-text note (EuroVoc)
xkos:ExplanatoryNote	Literal	Explanatory note (DDI/XKOS)

Notes are stored as blank nodes with rdf:value (content) and dcterms:language (language tag) and insee:conceptVersion (version number).

Dates & lifecycle

Predicate	Type	Description
dcterms:created	xsd:date	Creation date
dcterms:modified	xsd:date	Last modification date
dcterms:valid	xsd:date	Validity date
insee:validFrom	xsd:date	Validity start date
insee:validUntil	xsd:date	Validity end date
pav:version	Literal	Version number

Ownership & publication

Predicate	Type	Description
dc:creator	Literal	Stamp of the creator
dc:contributor	Literal	Stamp(s) of contributors
insee:isValidated	xsd:boolean	Whether the concept is validated/published
insee:disseminationStatus	IRI	Dissemination status
insee:additionalMaterial	IRI	Link to additional reference materials

Relationships

Predicate	Type	Description
skos:broader	IRI	Hierarchical broader concept
skos:narrower	IRI	Hierarchical narrower concept
skos:related	IRI	Related concept (symmetric association)
skos:closeMatch	IRI	Close match with an external concept
dcterms:references	IRI	Reference link to another concept
dcterms:replaces	IRI	Concept that this one replaces (succession)
dcterms:isReplacedBy	IRI	Concept that replaces this one (succession)
dcterms:hasPart	IRI	Compositional part relationship

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Collection (skos:Collection)

Identity

Predicate	Type	Description
rdf:type	IRI	Always skos:Collection

Labels & description

Predicate	Type	Description
skos:prefLabel	Literal (lang)	Preferred label — multilingual (fr, en)
dcterms:title	Literal (lang)	Title — multilingual
dcterms:description	Literal (lang)	Description — multilingual

Dates & ownership

Predicate	Type	Description
dcterms:created	xsd:date	Creation date
dcterms:modified	xsd:date	Last modification date
dc:creator	Literal	Stamp of the creator
dc:contributor	Literal	Stamp(s) of contributors

Members

Predicate	Type	Description
skos:member	IRI	Reference to a skos:Concept belonging to this collection