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

skos:narrower
  rdfs:subPropertyOf skos:narrowerTransitive ;
  skos:definition "Relates a concept to a concept that is more specific in meaning."@en ;
  rdfs:comment "Narrower concepts are typically rendered as children in a concept hierarchy (tree)."@en ;
  rdfs:label "has narrower"@en .

<http://zbw.eu/stw/descriptor/30193-1>
  rdfs:label "Shale gas"@en, "Schiefergas"@de ;
  skos:prefLabel "Shale gas"@en, "Schiefergas"@de ;
  a zbwext:Descriptor, skos:Concept ;
  skos:related <http://zbw.eu/stw/descriptor/12983-2> .

<http://zbw.eu/stw/descriptor/19386-6>
  rdfs:label "Natural gas resources"@en, "Erdgasvorkommen"@de, "Erdgasressourcen"@de ;
  skos:prefLabel "Natural gas resources"@en, "Erdgasvorkommen"@de ;
  a zbwext:Descriptor, skos:Concept ;
  skos:related <http://zbw.eu/stw/descriptor/12983-2> .

<http://zbw.eu/stw/descriptor/12983-2>
  skos:prefLabel "Natural gas production"@en, "Erdgasgewinnung"@de ;
  dc:isPartOf <http://zbw.eu/stw> ;
  skos:related <http://zbw.eu/stw/descriptor/18372-1>, <http://zbw.eu/stw/descriptor/19386-6>, <http://zbw.eu/stw/descriptor/18394-5>, <http://zbw.eu/stw/descriptor/30193-1>, <http://zbw.eu/stw/descriptor/18393-0> ;
  ns0:gvkppn "091357616" ;
  a skos:Concept, zbwext:Descriptor ;
  skos:inScheme <http://zbw.eu/stw> ;
  skos:altLabel "Erdgasbohrung"@de, "Erdgasförderung"@de ;
  skos:exactMatch gnd:4459008-8, wd:Q29584413, gnd:4152662-4 ;
  rdfs:label "Erdgasbohrung"@de, "Erdgasgewinnung"@de, "Natural gas production"@en, "Erdgasförderung"@de ;
  skos:broader <http://zbw.eu/stw/descriptor/12978-2>, <http://zbw.eu/stw/thsys/71006> ;
  skos:narrower <http://zbw.eu/stw/descriptor/30191-5> .

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 .

<http://zbw.eu/stw/descriptor/18394-5>
  rdfs:label "Offshore-Technik"@de, "Offshore-Ausrüstung"@de, "Offshore-Anlage"@de, "Bohrinsel"@de, "Offshore industry"@en, "Offshore-Industrie"@de, "Offshore equipment"@en, "Bohrplattform"@de ;
  skos:related <http://zbw.eu/stw/descriptor/12983-2> ;
  a zbwext:Descriptor, skos:Concept ;
  skos:prefLabel "Offshore-Industrie"@de, "Offshore industry"@en .

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/descriptor/30191-5>
  rdfs:label "Fracking"@en, "Fracking"@de, "Hydrofracking"@de, "Hydraulic fracturing"@en ;
  skos:prefLabel "Fracking"@en, "Fracking"@de ;
  a zbwext:Descriptor, skos:Concept ;
  skos:broader <http://zbw.eu/stw/descriptor/12983-2> .

<http://zbw.eu/stw/descriptor/18393-0>
  skos:related <http://zbw.eu/stw/descriptor/12983-2> ;
  rdfs:label "Drilling rig"@en, "Ölbohrtechnik"@de, "Oil drilling technology"@en, "Gasfördertechnik"@de, "Oil production technology"@en, "Bohrturm"@de, "Erdölfördertechnik"@de, "Ölfördertechnik"@de ;
  a skos:Concept, zbwext:Descriptor ;
  skos:prefLabel "Ölfördertechnik"@de, "Oil production technology"@en .

<http://zbw.eu/stw/descriptor/12978-2>
  rdfs:label "Gaswirtschaft"@de, "Gas industry"@en, "Erdgaswirtschaft"@de ;
  skos:prefLabel "Gaswirtschaft"@de, "Gas industry"@en ;
  a zbwext:Descriptor, skos:Concept ;
  skos:narrower <http://zbw.eu/stw/descriptor/12983-2> .

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: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 .

skos:related
  rdfs:subPropertyOf skos:semanticRelation ;
  skos:definition "Relates a concept to a concept with which there is an associative semantic relationship."@en ;
  rdfs:comment "skos:related is disjoint with skos:broaderTransitive"@en ;
  rdfs:label "has related"@en .

wd:Q29584413
  skos:exactMatch <http://zbw.eu/stw/descriptor/12983-2> ;
  rdfs:label "natural gas production"@en, "Gewinnung von Erdgas"@de, "Erdgasbohrung"@de, "extraction of natural gas"@en, "NACE 06.2"@de, "Erdgasförderung"@de, "Erdgasgewinnung"@de, "NACE 06.20"@de, "NACE 06.20"@en ;
  skos:prefLabel "extraction of natural gas"@en, "Erdgasgewinnung"@de .

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 .

gnd:4152662-4
  rdfs:label "Erdgas / Gewinnung"@de, "Erdgasgewinnung"@de, "Erdgasförderung"@de ;
  skos:prefLabel "Erdgasgewinnung"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/12983-2> .

<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/descriptor/18372-1>
  skos:prefLabel "Oil and gas lease"@en, "Förderkonzession"@de ;
  rdfs:label "Förderkonzession"@de, "Oil and gas lease"@en, "Ölkonzession"@de, "Mineralölkonzession"@de, "Erdölkonzession"@de, "Erdgaskonzession"@de ;
  a zbwext:Descriptor, skos:Concept ;
  skos:related <http://zbw.eu/stw/descriptor/12983-2> .

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

gnd:4459008-8
  rdfs:label "Erdgas / Bohrung"@de, "Erdgasbohrung"@de ;
  skos:prefLabel "Erdgasbohrung"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/12983-2> .

<http://zbw.eu/stw/thsys/71006>
  skos:prefLabel "W.05.01.02  Crude Petroleum and Natural Gas Production"@en, "W.05.01.02  Erdöl- und Erdgasförderung"@de ;
  rdfs:label "Erdöl- und Erdgasförderung"@de, "W.05.01.02  Erdöl- und Erdgasförderung"@de, "W.05.01.02  Crude Petroleum and Natural Gas Production"@en, "Crude Petroleum and Natural Gas Production"@en ;
  skos:narrower <http://zbw.eu/stw/descriptor/12983-2> ;
  a zbwext:Thsys, skos:Concept ;
  skos:notation "W.05.01.02" .