@base <http://w3id.org/nkos> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix dc11: <http://purl.org/dc/elements/1.1/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix voaf: <http://purl.org/vocommons/voaf#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix adms: <http://www.w3.org/ns/adms#> .
@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix frbrer: <http://iflastandards.info/ns/fr/frbr/frbrer/> .
@prefix frsad: <http://iflastandards.info/ns/fr/frsad/> .
@prefix nkos: <#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix wdrs: <http://www.w3.org/2007/05/powder-s#> .

frbrer:C1001
    dc:issued "2009-12-11"^^xsd:date ;
    a rdfs:Class ;
    rdfs:comment "A distinct intellectual or artistic creation."@en ;
    rdfs:isDefinedBy <http://iflastandards.info/ns/fr/frbr/frbrer/> ;
    rdfs:label "Work"@en ;
    skos:note "Usually a KOS as a whole is a work, e.g., ASIS&T Thesaurus."@en .

frbrer:C1002
    dc:issued "2009-12-11"^^xsd:date ;
    dc:modified "2010-01-05"^^xsd:date ;
    a rdfs:Class ;
    rdfs:comment "The intellectual or artistic realization of a work in the form of alpha-numeric, musical, or choreographic notation, sound, image, object, movement, etc., or any combination of such forms."@en ;
    rdfs:isDefinedBy <http://iflastandards.info/ns/fr/frbr/frbrer/> ;
    rdfs:label "Expression"@en ;
    skos:note "A particular version of the KOS, such as in a particular language or an abridgment."@en .

frbrer:C1003
    dc:issued "2009-12-11"^^xsd:date ;
    dc:modified "2010-04-11"^^xsd:date ;
    a rdfs:Class ;
    rdfs:comment "The physical embodiment of an expression of a work."@en ;
    rdfs:isDefinedBy <http://iflastandards.info/ns/fr/frbr/frbrer/> ;
    rdfs:label "Manifestation"@en ;
    skos:note "Examples are: the printed edition of a thesaurus' 2010 English version, the SKOS Linked Data representation of the same version."@en .

frbrer:P2002
    dc:issued "2009-12-13"^^xsd:date ;
    dc:modified "2012-02-01"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "Relates an expression to the work that is realized through the expression."@en ;
    rdfs:domain frbrer:Expression ;
    rdfs:isDefinedBy <http://iflastandards.info/ns/fr/frbr/frbrer/> ;
    rdfs:label "Is Realization Of"@en ;
    rdfs:range frbrer:Work ;
    skos:note "Core element"@en .

frbrer:P2004
    dc:issued "2009-12-03"^^xsd:date ;
    dc:modified "2012-02-01"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "Relates a manifestation to an expression that is embodied in the manifestation."@en ;
    rdfs:domain frbrer:Manifestation ;
    rdfs:isDefinedBy <http://iflastandards.info/ns/fr/frbr/frbrer/> ;
    rdfs:label "Is embodiment of"@en ;
    rdfs:range frbrer:Expression ;
    skos:note "Core element"@en .

frsad:C1001
    dc:issued "2010-08-06"^^xsd:date ;
    dc:modified "2011-07-13"^^xsd:date ;
    a rdfs:Class ;
    rdfs:comment "Any entity used as a subject of a work."@en ;
    rdfs:isDefinedBy <http://iflastandards.info/ns/fr/frsad/> ;
    rdfs:label "Thema"@en ;
    skos:note "A subject domain to which the KOS belongs. It can be a broad subject or any number of narrower subjects. Suggest to use a controlled vocabulary for those subjects."@en .

dc:Agent
    dc:description "Examples of Agent include person, organization, and software agent."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#Agent-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    a dc:AgentClass, rdfs:Class ;
    rdfs:comment "A resource that acts or has the power to act."@en ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Agent"@en .

dc:AgentClass
    dc:description "Examples of Agent Class include groups seen as classes, such as students, women, charities, lecturers."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#AgentClass-003> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2012-06-14"^^xsd:date ;
    a rdfs:Class ;
    rdfs:comment "A group of agents."@en ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Agent Class"@en ;
    rdfs:subClassOf rdfs:Class .

dc:LinguisticSystem
    dc:description "Examples include written, spoken, sign, and computer languages."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#LinguisticSystem-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    a rdfs:Class ;
    rdfs:comment "A system of signs, symbols, sounds, gestures, or rules used in communication."@en ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Linguistic System"@en .

dc:MediaType
    dc:hasVersion <http://dublincore.org/usage/terms/history/#MediaType-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    a rdfs:Class ;
    rdfs:comment "A file format or physical medium."@en ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Media Type"@en ;
    rdfs:subClassOf dc:MediaTypeOrExtent .

dc:RightsStatement
    dc:hasVersion <http://dublincore.org/usage/terms/history/#RightsStatement-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    a rdfs:Class ;
    rdfs:comment "A statement about the intellectual property rights (IPR) held in or over a Resource, a legal document giving official permission to do something with a resource, or a statement about access rights."@en ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Rights Statement"@en .

dc:audience
    dc:hasVersion <http://dublincore.org/usage/terms/history/#audience-003> ;
    dc:issued "2001-05-21"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "A class of entity for whom the resource is intended or useful."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Audience"@en ;
    rdfs:range dc:AgentClass ;
    skos:note "Recommend using a controlled vocabulary."@en .

dc:created
    dc:hasVersion <http://dublincore.org/usage/terms/history/#created-003> ;
    dc:issued "2000-07-11"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "Date of creation of the resource."@en ;
    rdfs:domain frbrer:Expression, frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Date Created"@en ;
    rdfs:range rdfs:Literal ;
    rdfs:subPropertyOf dc11:date, dc:date ;
    skos:note "Core element. For the date of a manifestation, use dct:issued"@en .

dc:creator
    dc:description "Examples of a Creator include a person, an organization, or a service."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#creatorT-002> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2010-10-11"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "An entity primarily responsible for making the resource."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Creator"@en ;
    rdfs:range dc:Agent ;
    rdfs:subPropertyOf dc11:creator, dc:contributor ;
    owl:equivalentProperty <http://xmlns.com/foaf/0.1/maker> ;
    skos:note "Core element"@en .

dc:description
    dc:description "Description may include but is not limited to: an abstract, a table of contents, a graphical representation, or a free-text account of the resource."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#descriptionT-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "An account of the resource."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Description"@en ;
    rdfs:range rdfs:Literal ;
    rdfs:subPropertyOf dc11:description .

dc:format
    dc:description "Examples of dimensions include size and duration. Recommended best practice is to use a controlled vocabulary such as the list of Internet Media Types [MIME]."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#formatT-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "The file format, physical medium, or dimensions of the resource."@en ;
    rdfs:domain frbrer:Manifestation ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Format"@en ;
    rdfs:range dc:MediaTypeOrExtent ;
    rdfs:subPropertyOf dc11:format .

dc:identifier
    dc:description "Recommended best practice is to identify the resource by means of a string conforming to a formal identification system. "@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#identifierT-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "An unambiguous reference to the resource within a given context."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Identifier"@en ;
    rdfs:range rdfs:Literal ;
    rdfs:subPropertyOf dc11:identifier ;
    skos:note "Core element"@en .

dc:isPartOf
    dc:hasVersion <http://dublincore.org/usage/terms/history/#isPartOf-003> ;
    dc:issued "2000-07-11"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "A related resource in which the described resource is physically or logically included."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Is Part Of"@en ;
    rdfs:range frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:subPropertyOf dc11:relation, dc:relation ;
    skos:note "A related KOS, in which the described KOS is logically included. This is different from nkos:based-on relationship type. Consult KOS Relation-Type Vocabulary for examples and possible extended properties. (http://wiki.dublincore.org/index.php/NKOS_Vocabularies)"@en, "This term is intended to be used with non-literal values as defined in the DCMI Abstract Model (http://dublincore.org/documents/abstract-model/).  As of December 2007, the DCMI Usage Board is seeking a way to express this intention with a formal range declaration."@en .

dc:issued
    dc:hasVersion <http://dublincore.org/usage/terms/history/#issued-003> ;
    dc:issued "2000-07-11"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "Date of formal issuance (e.g., publication) of the resource."@en ;
    rdfs:domain frbrer:Manifestation ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Date Issued"@en ;
    rdfs:range rdfs:Literal ;
    rdfs:subPropertyOf dc11:date, dc:date ;
    skos:note "Core element"@en .

dc:language
    dc:description "Recommended best practice is to use a controlled vocabulary such as RFC 4646 [RFC4646]."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#languageT-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "A language of the resource."@en ;
    rdfs:domain frbrer:Expression ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Language"@en ;
    rdfs:range dc:LinguisticSystem ;
    rdfs:subPropertyOf dc11:language .

dc:modified
    dc:hasVersion <http://dublincore.org/usage/terms/history/#modified-003> ;
    dc:issued "2000-07-11"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "Date on which the resource was changed."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Date Modified"@en ;
    rdfs:range rdfs:Literal ;
    rdfs:subPropertyOf dc11:date, dc:date .

dc:publisher
    dc:description "Examples of a Publisher include a person, an organization, or a service."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#publisherT-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2010-10-11"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "An entity responsible for making the resource available."@en ;
    rdfs:domain frbrer:Manifestation ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Publisher"@en ;
    rdfs:range dc:Agent ;
    rdfs:subPropertyOf dc11:publisher .

dc:relation
    dc:description "Recommended best practice is to identify the related resource by means of a string conforming to a formal identification system. "@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#relationT-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "A related resource."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Relation"@en ;
    rdfs:range frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:subPropertyOf dc11:relation ;
    skos:note "This term is intended to be used with non-literal values as defined in the DCMI Abstract Model (http://dublincore.org/documents/abstract-model/).  As of December 2007, the DCMI Usage Board is seeking a way to express this intention with a formal range declaration."@en .

dc:rights
    dc:description "Typically, rights information includes a statement about various property rights associated with the resource, including intellectual property rights."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#rightsT-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "Information about rights held in and over the resource."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Rights"@en ;
    rdfs:range dc:RightsStatement ;
    rdfs:subPropertyOf dc11:rights .

dc:subject
    dc:description "Typically, the subject will be represented using keywords, key phrases, or classification codes. Recommended best practice is to use a controlled vocabulary."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#subjectT-002> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2012-06-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "The topic of the resource."@en ;
    rdfs:domain frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Subject"@en ;
    rdfs:range frbrer:Thema ;
    rdfs:subPropertyOf dc11:subject ;
    skos:note "Core element"@en, "This term is intended to be used with non-literal values as defined in the DCMI Abstract Model (http://dublincore.org/documents/abstract-model/).  As of December 2007, the DCMI Usage Board is seeking a way to express this intention with a formal range declaration."@en .

dc:title
    dc:hasVersion <http://dublincore.org/usage/terms/history/#titleT-002> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2010-10-11"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "A name given to the resource."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Title"@en ;
    rdfs:range rdfs:Literal ;
    rdfs:subPropertyOf dc11:title ;
    skos:note "Core element"@en .

dc:type
    dc:description "Recommended best practice is to use a controlled vocabulary such as the DCMI Type Vocabulary [DCMITYPE]. To describe the file format, physical medium, or dimensions of the resource, use the Format element."@en ;
    dc:hasVersion <http://dublincore.org/usage/terms/history/#typeT-001> ;
    dc:issued "2008-01-14"^^xsd:date ;
    dc:modified "2008-01-14"^^xsd:date ;
    a rdf:Property ;
    rdfs:comment "The nature or genre of the resource."@en ;
    rdfs:domain frbrer:Work ;
    rdfs:isDefinedBy <http://purl.org/dc/terms/> ;
    rdfs:label "Type"@en ;
    rdfs:range rdfs:Class ;
    rdfs:subPropertyOf dc11:type ;
    skos:note "Type of knowledge organization system or structure. Recommend use of KOS Types Vocabulary. Core element." .

<>
    dc:contributor "DCMI NKOS Task Group" ;
    dc:created "2014-04-03"^^xsd:date ;
    dc:creator "Maja Å½umer", "Marcia L. Zeng" ;
    dc:issued "2015-09-20"^^xsd:date ;
    dc:modified "2015-09-20"^^xsd:date ;
    dc:title "Networked Knowledge Organization Systems Application Profile (NKOS AP)"@en ;
    a voaf:Vocabulary, owl:Ontology ;
    rdfs:comment "This file specifies the set of RDF classes and properties used in NKOS AP"@en ;
    wdrs:describedby <http://nkos.slis.kent.edu/nkos-ap.html>, <http://wiki.dublincore.org/index.php/NKOS_Vocabularies> .

nkos:alignedWith
    a rdf:Property, owl:ObjectProperty ;
    rdfs:comment "A related resource with which the described resource is aligned."@en ;
    rdfs:domain frbrer:Expression ;
    rdfs:isDefinedBy <> ;
    rdfs:label "Aligned With"@en ;
    rdfs:range frbrer:Expression .

nkos:basedOn
    a rdf:Property, owl:ObjectProperty ;
    rdfs:comment "A resource used as the source for a derivative resource."@en ;
    rdfs:domain frbrer:Work ;
    rdfs:isDefinedBy <> ;
    rdfs:label "Based On"@en ;
    rdfs:range frbrer:Work .

nkos:serviceOffered
    a rdf:Property, owl:ObjectProperty ;
    rdfs:comment "Services provided to users for the described resources."@en ;
    rdfs:domain frbrer:Manifestation ;
    rdfs:isDefinedBy <> ;
    rdfs:label "Service Offered"@en ;
    rdfs:range rdfs:Literal ;
    skos:note "Example: download, extract, query, annotation."@en .

nkos:sizeNote
    a rdf:Property, owl:ObjectProperty ;
    rdfs:comment "Number of concepts, terms, or other semantic units included in a KOS."@en ;
    rdfs:domain frbrer:Expression ;
    rdfs:isDefinedBy <> ;
    rdfs:label "Size Note"@en ;
    rdfs:range rdfs:Literal .

nkos:updateFrequency
    dc:description "Suggest using DCMI Collection Description Frequency Vocabulary. (http://dublincore.org/groups/collections/frequency/) ."@en ;
    a rdf:Property, owl:ObjectProperty ;
    rdfs:comment "The period in which a KOS is typically updated."@en ;
    rdfs:domain frbrer:Expression ;
    rdfs:isDefinedBy <> ;
    rdfs:label "Update Frequency "@en ;
    rdfs:range rdfs:Literal .

nkos:usedBy
    a rdf:Property, owl:ObjectProperty ;
    rdfs:comment "Agent using the described KOS."@en ;
    rdfs:domain frbrer:Expression, frbrer:Work ;
    rdfs:isDefinedBy <> ;
    rdfs:label "Used By"@en ;
    rdfs:range dc:Agent .

wdrs:describedby
    dc:description "There are no constraints on the format or representation of either A or B, neither are there any further constraints on either resource."@en ;
    a rdf:Property ;
    rdfs:comment "The relationship A 'describedby' B asserts that resource B provides a description of resource A."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation, frbrer:Work ;
    rdfs:isDefinedBy <http://www.w3.org/2007/05/powder-s#> ;
    rdfs:label "Described by "@en ;
    rdfs:range frbrer:Expression, frbrer:Work .

adms:Asset
    dc:description "Assets can be versioned. Every time the intellectual content of an asset changes, the result is considered to be a new asset that can be linked to previous and next versions of the Asset."@en ;
    a rdfs:Class ;
    rdfs:comment "An abstract entity that reflects the intellectual content of the asset and represents those characteristics of the asset that are independent of its physical embodiment."@en ;
    rdfs:isDefinedBy <http://www.w3.org/ns/adms#> ;
    rdfs:label "Asset"@en ;
    skos:note "This abstract entity combines the FRBR entities work (a distinct intellectual or artistic creation) and expression (the intellectual or artistic realization of a work) [ FRBR ]."@en .

adms:sample
    a rdf:Property ;
    rdfs:comment "Links to a sample of an Asset (which is itself an Asset)."@en ;
    rdfs:domain frbrer:Expression ;
    rdfs:isDefinedBy <http://www.w3.org/ns/adms#> ;
    rdfs:label "Sample"@en ;
    rdfs:range frbrer:Expression ;
    skos:note "A link to a fragment of the resource."@en .

dcat:contactPoint
    a rdf:Property ;
    rdfs:comment "Links an asset to a contact point from where further information about an Asset can be obtained."@en ;
    rdfs:domain frbrer:Expression, frbrer:Manifestation ;
    rdfs:isDefinedBy <http://www.w3.org/ns/dcat#> ;
    rdfs:label "Contact"@en ;
    rdfs:range rdfs:Literal .

prov:wasDerivedFrom
    a rdf:Property ;
    rdfs:comment "A derivation is a transformation of an entity into another, an update of an entity resulting in a new one, or the construction of a new entity based on a pre-existing entity."@en ;
    rdfs:domain frbrer:Expression ;
    rdfs:isDefinedBy <http://www.w3.org/ns/prov> ;
    rdfs:label "Derived From"@en ;
    rdfs:range frbrer:Expression ;
    skos:note "Derived-From covers relationships between resources such as translation-of, abridgement-of, extension-of, and version-of. It is different from part-of relationship type.  Consult KOS Relation-Type Vocabulary for examples and possible extended properties. http://wiki.dublincore.org/index.php/NKOS_Vocabularies" .

