# baseURI: http://www.w3.org/2004/02/skos/core
# c14n-version: 3
@prefix dct: .
@prefix owl: .
@prefix rdf: .
@prefix rdfs: .
@prefix skos: .
@prefix xsd: .
rdf:type owl:Ontology ;
dct:contributor "Dave Beckett" ;
dct:contributor "Nikki Rogers" ;
dct:contributor "Participants in W3C's Semantic Web Deployment Working Group." ;
dct:creator "Alistair Miles" ;
dct:creator "Sean Bechhofer" ;
dct:description "An RDF vocabulary for describing the basic structure and content of concept schemes such as thesauri, classification schemes, subject heading lists, taxonomies, 'folksonomies', other types of controlled vocabulary, and also concept schemes embedded in glossaries and terminologies."@en ;
dct:title "SKOS Vocabulary"@en ;
rdfs:label "SKOS Core RDF vocabulary"^^xsd:string ;
rdfs:seeAlso ;
owl:versionInfo "Modified by TopQuadrant to assert three rdfs:subClassOf owl:Thing triples."^^xsd:string ;
.
skos:Collection
rdf:type owl:Class ;
rdfs:isDefinedBy ;
rdfs:label "Collection"@en ;
rdfs:subClassOf owl:Thing ;
owl:disjointWith skos:Concept ;
owl:disjointWith skos:ConceptScheme ;
skos:definition "A meaningful collection of concepts."@en ;
skos:scopeNote "Labelled collections can be used where you would like a set of concepts to be displayed under a 'node label' in the hierarchy."@en ;
.
skos:Concept
rdf:type owl:Class ;
rdfs:isDefinedBy ;
rdfs:label "Concept"@en ;
rdfs:subClassOf owl:Thing ;
skos:definition "An idea or notion; a unit of thought."@en ;
.
skos:ConceptScheme
rdf:type owl:Class ;
rdfs:isDefinedBy ;
rdfs:label "Concept Scheme"@en ;
rdfs:subClassOf owl:Thing ;
owl:disjointWith skos:Concept ;
skos:definition "A set of concepts, optionally including statements about semantic relationships between those concepts."@en ;
skos:example "Thesauri, classification schemes, subject heading lists, taxonomies, 'folksonomies', and other types of controlled vocabulary are all examples of concept schemes. Concept schemes are also embedded in glossaries and terminologies."@en ;
skos:scopeNote "A concept scheme may be defined to include concepts from different sources."@en ;
.
skos:OrderedCollection
rdf:type owl:Class ;
rdfs:isDefinedBy ;
rdfs:label "Ordered Collection"@en ;
rdfs:subClassOf skos:Collection ;
skos:definition "An ordered collection of concepts, where both the grouping and the ordering are meaningful."@en ;
skos:scopeNote "Ordered collections can be used where you would like a set of concepts to be displayed in a specific order, and optionally under a 'node label'."@en ;
.
skos:altLabel
rdf:type rdf:Property ;
rdf:type owl:AnnotationProperty ;
rdfs:comment "The range of skos:altLabel is the class of RDF plain literals."@en ;
rdfs:comment "skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties."@en ;
rdfs:isDefinedBy ;
rdfs:label "alternative label"@en ;
rdfs:subPropertyOf rdfs:label ;
skos:definition "An alternative lexical label for a resource."@en ;
skos:example "Acronyms, abbreviations, spelling variants, and irregular plural/singular forms may be included among the alternative labels for a concept. Mis-spelled terms are normally included as hidden labels (see skos:hiddenLabel)."@en ;
.
skos:broadMatch
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdfs:isDefinedBy ;
rdfs:label "has broader match"@en ;
rdfs:subPropertyOf skos:broader ;
rdfs:subPropertyOf skos:mappingRelation ;
owl:inverseOf skos:narrowMatch ;
skos:definition "skos:broadMatch is used to state a hierarchical mapping link between two conceptual resources in different concept schemes."@en ;
.
skos:broader
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdfs:comment "Broader concepts are typically rendered as parents in a concept hierarchy (tree)."@en ;
rdfs:isDefinedBy ;
rdfs:label "has broader"@en ;
rdfs:subPropertyOf skos:broaderTransitive ;
owl:inverseOf skos:narrower ;
skos:definition "Relates a concept to a concept that is more general in meaning."@en ;
skos:scopeNote "By convention, skos:broader is only used to assert an immediate (i.e. direct) hierarchical link between two conceptual resources."@en ;
.
skos:broaderTransitive
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdf:type owl:TransitiveProperty ;
rdfs:isDefinedBy ;
rdfs:label "has broader transitive"@en ;
rdfs:subPropertyOf skos:semanticRelation ;
owl:inverseOf skos:narrowerTransitive ;
skos:definition "skos:broaderTransitive is a transitive superproperty of skos:broader." ;
skos:scopeNote "By convention, skos:broaderTransitive is not used to make assertions. Rather, the properties can be used to draw inferences about the transitive closure of the hierarchical relation, which is useful e.g. when implementing a simple query expansion algorithm in a search application."@en ;
.
skos:changeNote
rdf:type rdf:Property ;
rdf:type owl:AnnotationProperty ;
rdfs:isDefinedBy ;
rdfs:label "change note"@en ;
rdfs:subPropertyOf skos:note ;
skos:definition "A note about a modification to a concept."@en ;
.
skos:closeMatch
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdf:type owl:SymmetricProperty ;
rdfs:isDefinedBy ;
rdfs:label "has close match"@en ;
rdfs:subPropertyOf skos:mappingRelation ;
skos:definition "skos:closeMatch is used to link two concepts that are sufficiently similar that they can be used interchangeably in some information retrieval applications. In order to avoid the possibility of \"compound errors\" when combining mappings across more than two concept schemes, skos:closeMatch is not declared to be a transitive property."@en ;
.
skos:definition
rdf:type rdf:Property ;
rdf:type owl:AnnotationProperty ;
rdfs:isDefinedBy ;
rdfs:label "definition"@en ;
rdfs:subPropertyOf skos:note ;
skos:definition "A statement or formal explanation of the meaning of a concept."@en ;
.
skos:editorialNote
rdf:type rdf:Property ;
rdf:type owl:AnnotationProperty ;
rdfs:isDefinedBy ;
rdfs:label "editorial note"@en ;
rdfs:subPropertyOf skos:note ;
skos:definition "A note for an editor, translator or maintainer of the vocabulary."@en ;
.
skos:exactMatch
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdf:type owl:SymmetricProperty ;
rdf:type owl:TransitiveProperty ;
rdfs:comment "skos:exactMatch is disjoint with each of the properties skos:broadMatch and skos:relatedMatch."@en ;
rdfs:isDefinedBy ;
rdfs:label "has exact match"@en ;
rdfs:subPropertyOf skos:closeMatch ;
skos:definition "skos:exactMatch is used to link two concepts, indicating a high degree of confidence that the concepts can be used interchangeably across a wide range of information retrieval applications. skos:exactMatch is a transitive property, and is a sub-property of skos:closeMatch."@en ;
.
skos:example
rdf:type rdf:Property ;
rdf:type owl:AnnotationProperty ;
rdfs:isDefinedBy ;
rdfs:label "example"@en ;
rdfs:subPropertyOf skos:note ;
skos:definition "An example of the use of a concept."@en ;
.
skos:hasTopConcept
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdfs:domain skos:ConceptScheme ;
rdfs:isDefinedBy ;
rdfs:label "has top concept"@en ;
rdfs:range skos:Concept ;
owl:inverseOf skos:topConceptOf ;
skos:definition "Relates, by convention, a concept scheme to a concept which is topmost in the broader/narrower concept hierarchies for that scheme, providing an entry point to these hierarchies."@en ;
.
skos:hiddenLabel
rdf:type rdf:Property ;
rdf:type owl:AnnotationProperty ;
rdfs:comment "The range of skos:hiddenLabel is the class of RDF plain literals."@en ;
rdfs:comment "skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties."@en ;
rdfs:isDefinedBy ;
rdfs:label "hidden label"@en ;
rdfs:subPropertyOf rdfs:label ;
skos:definition "A lexical label for a resource that should be hidden when generating visual displays of the resource, but should still be accessible to free text search operations."@en ;
.
skos:historyNote
rdf:type rdf:Property ;
rdf:type owl:AnnotationProperty ;
rdfs:isDefinedBy ;
rdfs:label "history note"@en ;
rdfs:subPropertyOf skos:note ;
skos:definition "A note about the past state/use/meaning of a concept."@en ;
.
skos:inScheme
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdfs:isDefinedBy ;
rdfs:label "is in scheme"@en ;
rdfs:range skos:ConceptScheme ;
skos:definition "Relates a resource (for example a concept) to a concept scheme in which it is included."@en ;
skos:scopeNote "A concept may be a member of more than one concept scheme."@en ;
.
skos:mappingRelation
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdfs:comment "These concept mapping relations mirror semantic relations, and the data model defined below is similar (with the exception of skos:exactMatch) to the data model defined for semantic relations. A distinct vocabulary is provided for concept mapping relations, to provide a convenient way to differentiate links within a concept scheme from links between concept schemes. However, this pattern of usage is not a formal requirement of the SKOS data model, and relies on informal definitions of best practice."@en ;
rdfs:isDefinedBy ;
rdfs:label "is in mapping relation with"@en ;
rdfs:subPropertyOf skos:semanticRelation ;
skos:definition "Relates two concepts coming, by convention, from different schemes, and that have comparable meanings"@en ;
.
skos:member
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdfs:domain skos:Collection ;
rdfs:isDefinedBy ;
rdfs:label "has member"@en ;
rdfs:range [
rdf:type owl:Class ;
owl:unionOf (
skos:Concept
skos:Collection
) ;
] ;
skos:definition "Relates a collection to one of its members."@en ;
.
skos:memberList
rdf:type rdf:Property ;
rdf:type owl:FunctionalProperty ;
rdf:type owl:ObjectProperty ;
rdfs:comment """For any resource, every item in the list given as the value of the
skos:memberList property is also a value of the skos:member property."""@en ;
rdfs:domain skos:OrderedCollection ;
rdfs:isDefinedBy ;
rdfs:label "has member list"@en ;
rdfs:range rdf:List ;
skos:definition "Relates an ordered collection to the RDF list containing its members."@en ;
.
skos:narrowMatch
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdfs:isDefinedBy ;
rdfs:label "has narrower match"@en ;
rdfs:subPropertyOf skos:mappingRelation ;
rdfs:subPropertyOf skos:narrower ;
owl:inverseOf skos:broadMatch ;
skos:definition "skos:narrowMatch is used to state a hierarchical mapping link between two conceptual resources in different concept schemes."@en ;
.
skos:narrower
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdfs:comment "Narrower concepts are typically rendered as children in a concept hierarchy (tree)."@en ;
rdfs:isDefinedBy ;
rdfs:label "has narrower"@en ;
rdfs:subPropertyOf skos:narrowerTransitive ;
owl:inverseOf skos:broader ;
skos:definition "Relates a concept to a concept that is more specific in meaning."@en ;
skos:scopeNote "By convention, skos:broader is only used to assert an immediate (i.e. direct) hierarchical link between two conceptual resources."@en ;
.
skos:narrowerTransitive
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdf:type owl:TransitiveProperty ;
rdfs:isDefinedBy ;
rdfs:label "has narrower transitive"@en ;
rdfs:subPropertyOf skos:semanticRelation ;
owl:inverseOf skos:broaderTransitive ;
skos:definition "skos:narrowerTransitive is a transitive superproperty of skos:narrower." ;
skos:scopeNote "By convention, skos:narrowerTransitive is not used to make assertions. Rather, the properties can be used to draw inferences about the transitive closure of the hierarchical relation, which is useful e.g. when implementing a simple query expansion algorithm in a search application."@en ;
.
skos:notation
rdf:type rdf:Property ;
rdf:type owl:DatatypeProperty ;
rdfs:isDefinedBy ;
rdfs:label "notation"@en ;
skos:definition "A notation, also known as classification code, is a string of characters such as \"T58.5\" or \"303.4833\" used to uniquely identify a concept within the scope of a given concept scheme."@en ;
skos:scopeNote "By convention, skos:notation is used with a typed literal in the object position of the triple."@en ;
.
skos:note
rdf:type rdf:Property ;
rdf:type owl:AnnotationProperty ;
rdfs:isDefinedBy ;
rdfs:label "note"@en ;
skos:definition "A general note, for any purpose."@en ;
skos:scopeNote "This property may be used directly, or as a super-property for more specific note types."@en ;
.
skos:prefLabel
rdf:type rdf:Property ;
rdf:type owl:AnnotationProperty ;
rdfs:comment "A resource has no more than one value of skos:prefLabel per language tag."@en ;
rdfs:comment "The range of skos:prefLabel is the class of RDF plain literals."@en ;
rdfs:comment """skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise
disjoint properties."""@en ;
rdfs:isDefinedBy ;
rdfs:label "preferred label"@en ;
rdfs:subPropertyOf rdfs:label ;
skos:definition "The preferred lexical label for a resource, in a given language."@en ;
.
skos:related
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdf:type owl:SymmetricProperty ;
rdfs:comment "skos:related is disjoint with skos:broaderTransitive"@en ;
rdfs:isDefinedBy ;
rdfs:label "has related"@en ;
rdfs:subPropertyOf skos:semanticRelation ;
skos:definition "Relates a concept to a concept with which there is an associative semantic relationship."@en ;
.
skos:relatedMatch
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdf:type owl:SymmetricProperty ;
rdfs:isDefinedBy ;
rdfs:label "has related match"@en ;
rdfs:subPropertyOf skos:mappingRelation ;
rdfs:subPropertyOf skos:related ;
skos:definition "skos:relatedMatch is used to state an associative mapping link between two conceptual resources in different concept schemes."@en ;
.
skos:scopeNote
rdf:type rdf:Property ;
rdf:type owl:AnnotationProperty ;
rdfs:isDefinedBy ;
rdfs:label "scope note"@en ;
rdfs:subPropertyOf skos:note ;
skos:definition "A note that helps to clarify the meaning and/or the use of a concept."@en ;
.
skos:semanticRelation
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdfs:domain skos:Concept ;
rdfs:isDefinedBy ;
rdfs:label "is in semantic relation with"@en ;
rdfs:range skos:Concept ;
skos:definition "Links a concept to a concept related by meaning."@en ;
skos:scopeNote "This property should not be used directly, but as a super-property for all properties denoting a relationship of meaning between concepts."@en ;
.
skos:topConceptOf
rdf:type rdf:Property ;
rdf:type owl:ObjectProperty ;
rdfs:domain skos:Concept ;
rdfs:isDefinedBy ;
rdfs:label "is top concept in scheme"@en ;
rdfs:range skos:ConceptScheme ;
rdfs:subPropertyOf skos:inScheme ;
owl:inverseOf skos:hasTopConcept ;
skos:definition "Relates a concept to the concept scheme that it is a top level concept of."@en ;
.