@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix void: <http://rdfs.org/ns/void#> .
@prefix gnd: <https://d-nb.info/gnd/> .
@prefix wd: <http://www.wikidata.org/entity/> .
@prefix zbwext: <http://zbw.eu/namespaces/zbw-extensions/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix ns0: <http://purl.org/ontology/gbv/> .
@prefix dc: <http://purl.org/dc/terms/> .

skos:exactMatch
  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 ;
  rdfs:comment "skos:exactMatch is disjoint with each of the properties skos:broadMatch and skos:relatedMatch."@en ;
  rdfs:label "has exact match"@en .

<http://zbw.eu/stw>
  rdfs:label "Standard-Thesaurus Wirtschaft"@de, "STW Thesaurus for Economics"@en ;
  skos:prefLabel "Standard-Thesaurus Wirtschaft"@de, "STW Thesaurus for Economics"@en ;
  a void:Dataset, skos:ConceptScheme .

gnd:4158067-9
  rdfs:label "Elektrographit"@de, "Elektrografit"@de, "Graphit"@de, "Grafit"@de ;
  skos:prefLabel "Grafit"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/30374-4> .

wd:Q5309
  rdfs:label "mineral carbon"@en, "graphite-3R"@en, "silver graphite"@en, "Silver graphite"@en, "Graphit"@de, "graphite"@en, "plumbago"@en, "graphite-2H"@en, "black lead"@en ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/30374-4> ;
  skos:prefLabel "Graphit"@de, "graphite"@en .

<http://dbpedia.org/resource/Graphite>
  rdfs:label "Graphite"@en, "Graphit"@de ;
  skos:prefLabel "Graphite"@en, "Graphit"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/30374-4> .

zbwext:Descriptor
  rdfs:label "Descriptor"@en ;
  a owl:Class .

skos:inScheme
  skos:definition "Relates a resource (for example a concept) to a concept scheme in which it is included."@en ;
  rdfs:label "is in scheme"@en .

<http://zbw.eu/stw/descriptor/14236-1>
  skos:prefLabel "Mineral"@de, "Mineral"@en ;
  rdfs:label "Erz"@de, "Mineral"@de, "Mineral"@en, "Kyanite"@en, "Gypsum"@en, "Baryte"@en, "Pyrite"@en, "Mineralischer Rohstoff"@de, "Baryt"@de, "Industriemineral"@de, "Feldspat"@de, "Korund"@de, "Pyrit"@de, "Talk"@de, "Fluorspar"@en, "Calciumfluorid"@de, "Fluorit"@de, "Magnesit"@de, "Ore"@en, "Magnesite"@en, "Corundum"@en, "Talkum"@de, "Gips"@de, "Kyanit"@de, "Flussspat"@de ;
  a skos:Concept, zbwext:Descriptor ;
  skos:narrower <http://zbw.eu/stw/descriptor/30374-4> .

zbwext:altLabelNarrower
  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 ;
  rdfs:label "altLabelNarrower"@en .

<http://zbw.eu/stw/descriptor/30374-4>
  rdfs:label "Graphit"@de, "Elektrographit"@de, "Grafit"@de, "Graphite"@en, "Elektrografit"@de ;
  skos:exactMatch <http://dbpedia.org/resource/Graphite>, wd:Q5309, gnd:4158067-9 ;
  zbwext:altLabelNarrower "Elektrografit"@de, "Elektrographit"@de ;
  skos:prefLabel "Graphite"@en, "Graphit"@de ;
  skos:scopeNote "Eine der natürlichen Erscheinungsformen des chemischen Elements Kohlenstoff."@de, "A crystalline form of the element carbon."@en ;
  a zbwext:Descriptor, skos:Concept ;
  skos:altLabel "Grafit"@de ;
  skos:broader <http://zbw.eu/stw/descriptor/14236-1>, <http://zbw.eu/stw/thsys/70348> ;
  ns0:gvkppn "1860575722" ;
  skos:inScheme <http://zbw.eu/stw> ;
  dc:isPartOf <http://zbw.eu/stw> .

skos:prefLabel
  rdfs:subPropertyOf rdfs:label ;
  skos:definition "The preferred lexical label for a resource, in a given language."@en ;
  rdfs:comment """skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise
      disjoint properties."""@en, "The range of skos:prefLabel is the class of RDF plain literals."@en, "A resource has no more than one value of skos:prefLabel per language tag."@en ;
  rdfs:label "preferred label"@en .

skos:Concept
  rdfs:label "Concept"@en ;
  a owl:Class .

skos:altLabel
  rdfs:subPropertyOf rdfs:label ;
  skos:definition "An alternative lexical label for a resource."@en ;
  rdfs:comment "skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties."@en, "The range of skos:altLabel is the class of RDF plain literals."@en ;
  rdfs:label "alternative label"@en .

<http://zbw.eu/stw/thsys/70348>
  skos:prefLabel "P.06  Nonmetallic minerals"@en, "P.06  Nichtmetallische Mineralien"@de ;
  rdfs:label "P.06  Nonmetallic minerals"@en, "P.06  Nichtmetallische Mineralien"@de, "Nichtmetallische Mineralien"@de, "Nonmetallic minerals"@en ;
  a skos:Concept, zbwext:Thsys ;
  skos:narrower <http://zbw.eu/stw/descriptor/30374-4> ;
  skos:notation "P.06" .

skos:scopeNote
  rdfs:subPropertyOf skos:note ;
  skos:definition "A note that helps to clarify the meaning and/or the use of a concept."@en ;
  rdfs:label "scope note"@en .

skos:broader
  rdfs:subPropertyOf skos:broaderTransitive ;
  skos:definition "Relates a concept to a concept that is more general in meaning."@en ;
  rdfs:comment "Broader concepts are typically rendered as parents in a concept hierarchy (tree)."@en ;
  rdfs:label "has broader"@en .