@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 zbwext: <http://zbw.eu/namespaces/zbw-extensions/> .
@prefix wd: <http://www.wikidata.org/entity/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix gnd: <https://d-nb.info/gnd/> .
@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 .

<http://zbw.eu/stw/thsys/70134>
  a zbwext:Thsys, skos:Concept ;
  rdfs:label "Non-ferrous metals"@en, "P.07.01  Non-ferrous metals"@en, "P.07.01  NE-Metalle"@de, "NE-Metalle"@de ;
  skos:prefLabel "P.07.01  NE-Metalle"@de, "P.07.01  Non-ferrous metals"@en ;
  skos:narrower <http://zbw.eu/stw/descriptor/14300-4> ;
  skos:notation "P.07.01" .

wd:Q660
  rdfs:label "element 12"@en, "12Mg"@en, "magnesium"@en, "Magnesium"@de ;
  skos:prefLabel "magnesium"@en, "Magnesium"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/14300-4> .

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

<http://zbw.eu/stw/descriptor/14300-4>
  skos:exactMatch <http://dbpedia.org/resource/Magnesium>, gnd:4128915-8, wd:Q660, <http://eurovoc.europa.eu/1736>, <http://aims.fao.org/aos/agrovoc/c_4517> ;
  ns0:gvkppn "091376009" ;
  rdfs:label "Magnesium"@de, "Magnesium"@en ;
  skos:inScheme <http://zbw.eu/stw> ;
  a skos:Concept, zbwext:Descriptor ;
  dc:isPartOf <http://zbw.eu/stw> ;
  skos:broader <http://zbw.eu/stw/descriptor/14302-0>, <http://zbw.eu/stw/thsys/70134> ;
  skos:prefLabel "Magnesium"@de, "Magnesium"@en .

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://dbpedia.org/resource/Magnesium>
  rdfs:label "Magnesium"@en, "Magnesium"@de ;
  skos:prefLabel "Magnesium"@en, "Magnesium"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/14300-4> .

<http://aims.fao.org/aos/agrovoc/c_4517>
  rdfs:label "magnesium"@en, "Mg (Symbol)"@de, "Mg (symbol)"@en, "Magnesium"@de ;
  skos:prefLabel "magnesium"@en, "Magnesium"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/14300-4> .

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 .

gnd:4128915-8
  rdfs:label "Mg <Magnesium>"@de, "Magnesium"@de ;
  skos:prefLabel "Magnesium"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/14300-4> .

<http://eurovoc.europa.eu/1736>
  rdfs:label "magnesium"@en, "Magnesium"@de ;
  skos:prefLabel "magnesium"@en, "Magnesium"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/14300-4> .

<http://zbw.eu/stw/descriptor/14302-0>
  rdfs:label "Non-ferrous metal"@en, "NE-Metall"@de, "Nichteisenmetall"@de, "Buntmetall"@de ;
  skos:prefLabel "Non-ferrous metal"@en, "NE-Metall"@de ;
  a zbwext:Descriptor, skos:Concept ;
  skos:narrower <http://zbw.eu/stw/descriptor/14300-4> .

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 .