@prefix dc11: <http://purl.org/dc/elements/1.1/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://zbw.eu/namespaces/zbw-extensions/>
  dc11:title "Extensions to SKOS and other standard vocabularies used by the German National Library of Economics (ZBW)"@en ;
  dc11:creator "Joachim Neubert" ;
  dc11:publisher "German National Library of Economics (ZBW)"@en ;
  dc:created "2010-04-28" ;
  dc:modified "2017-04-12" .

<http://zbw.eu/namespaces/zbw-extensions/Descriptor>
  a owl:Class ;
  rdfs:label "Descriptor"@en ;
  rdfs:isDefinedBy <http://zbw.eu/namespaces/zbw-extensions/zbw-extensions.rdf> ;
  rdfs:subClassOf skos:Concept ;
  skos:definition "The descriptors part of the STW - concepts used for indexing."@en ;
  rdfs:comment """Among themselves, the Descriptor entries are 
    linked in multiple skos:broader/skos:narrower hierarchies and skos:related 
    connections. To Thsys entries, only skos:broader connections are
    allowed."""@en .

<http://zbw.eu/namespaces/zbw-extensions/Thsys>
  a owl:Class ;
  rdfs:label "Thsys"@en ;
  rdfs:isDefinedBy <http://zbw.eu/namespaces/zbw-extensions/zbw-extensions.rdf> ;
  rdfs:subClassOf skos:Concept ;
  skos:definition """The systematic part of the STW - concepts used for
    organizing descriptors in broader subject categories."""@en ;
  rdfs:comment """Each entry has a rdfs:label property for each 
    supported language and one skos:notation property. skos:prefLabel 
    properties are generated by concatenation of these properties. 
    Among themselves, the thsys entries are linked in several
    skos:broader/skos:narrower mono-hierarchies under a top-level 
    "Subthesaurus" Thsys concept. To Descriptor entities, only skos:narrower 
    connections are allowed."""@en .

<http://zbw.eu/namespaces/zbw-extensions/Found>
  a owl:Class ;
  rdfs:label "Found"@en ;
  rdfs:isDefinedBy <http://zbw.eu/namespaces/zbw-extensions/zbw-extensions.rdf> ;
  rdfs:subClassOf skos:Concept ;
  skos:definition """A skos:Concept (or another object), found
    by a search operation."""@en ;
  rdfs:comment """Class to mark concepts which were
    matched by a search query, as opposed to other (e.g., skos:narrower or
    skos:related) concepts returned in the same result set. (Experimental)
    """@en .

<http://zbw.eu/namespaces/zbw-extensions/useInsteadNote>
  a owl:AnnotationProperty ;
  rdfs:label "useInsteadNote"@en ;
  rdfs:isDefinedBy <http://zbw.eu/namespaces/zbw-extensions/zbw-extensions.rdf> ;
  rdfs:subPropertyOf skos:note ;
  skos:definition """For an aspect of the current concept use the 
    concept to which the note points instead of the current."""@en ;
  rdfs:comment """The note consists of a blank node. It contains 
    a rdfs:value literal which designates the aspect and a rdfs:seeAlso link to 
    the concept which should be used instead."""@en .

<http://zbw.eu/namespaces/zbw-extensions/indexedItem>
  a owl:ObjectProperty ;
  rdfs:label "indexedItem"@en ;
  rdfs:isDefinedBy <http://zbw.eu/namespaces/zbw-extensions/zbw-extensions.rdf> ;
  rdfs:subPropertyOf rdfs:seeAlso ;
  skos:definition """The concept is used as an index term or subject 
    for the resource."""@en ;
  rdfs:comment """A substitute for the vanished skos:isSubjectOf. 
    May be used with collections of resources also."""@en .

<http://zbw.eu/namespaces/zbw-extensions/econbizCount>
  a owl:FunctionalProperty ;
  rdfs:label "econbizCount"@en ;
  rdfs:isDefinedBy <http://zbw.eu/namespaces/zbw-extensions/zbw-extensions.rdf> ;
  rdfs:subPropertyOf <http://rdf.myexperiment.org/ontologies/base/count> ;
  skos:definition """Count of matching items in EconBiz (virtual library 
    for economics and business studies, http://econbiz.eu)."""@en .

<http://zbw.eu/namespaces/zbw-extensions/altLabelNarrower>
  a owl:AnnotationProperty ;
  rdfs:label "altLabelNarrower"@en ;
  rdfs:isDefinedBy <http://zbw.eu/namespaces/zbw-extensions/zbw-extensions.rdf> ;
  skos:definition """Lexical label for a narrower term which is
    not defined as a separate concept (according to ISO 25964, 8.4), sometimes
    referred to as 'upward posting'. Intended for use with
    skos:Concept, instead of using skos:altLabel."""@en .