@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 owl: <http://www.w3.org/2002/07/owl#> .
@prefix stw: <http://zbw.eu/stw/descriptor/> .
@prefix ns0: <http://purl.org/ontology/gbv/> .

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

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

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

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

skos:altLabel
  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 ;
  rdfs:subPropertyOf rdfs:label ;
  skos:definition "An alternative lexical label for a resource."@en .

skos:prefLabel
  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 ;
  rdfs:subPropertyOf rdfs:label ;
  skos:definition "The preferred lexical label for a resource, in a given language."@en .

<http://zbw.eu/namespaces/zbw-extensions/Descriptor>
  a owl:Class ;
  rdfs:label "Descriptor"@en .

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

stw:15742-2
  a <http://zbw.eu/namespaces/zbw-extensions/Descriptor>, skos:Concept ;
  ns0:gvkppn "091375835" ;
  skos:altLabel "TA Luft"@de, "Reduktion von Luftschadstoffen"@de, "Luftqualitätsrichtlinie"@de, "Clean Air Act"@en, "Air quality improvement"@en ;
  skos:broader stw:15737-2, <http://zbw.eu/stw/thsys/185840> ;
  skos:inScheme <http://zbw.eu/stw> ;
  skos:prefLabel "Luftreinhaltung"@de, "Air pollution control"@en ;
  skos:related stw:20762-1, stw:15743-0, stw:19623-4 .

stw:20762-1
  a <http://zbw.eu/namespaces/zbw-extensions/Descriptor>, skos:Concept ;
  skos:prefLabel "Emissionshandel"@de, "Emissions trading"@en ;
  skos:related stw:15742-2 .

stw:15743-0
  a <http://zbw.eu/namespaces/zbw-extensions/Descriptor>, skos:Concept ;
  skos:prefLabel "Luftverschmutzung"@de, "Air pollution"@en ;
  skos:related stw:15742-2 .

stw:19623-4
  a <http://zbw.eu/namespaces/zbw-extensions/Descriptor>, skos:Concept ;
  skos:prefLabel "Luft"@de, "Air"@en ;
  skos:related stw:15742-2 .

stw:15737-2
  a <http://zbw.eu/namespaces/zbw-extensions/Descriptor>, skos:Concept ;
  skos:narrower stw:15742-2 ;
  skos:prefLabel "Immissionsschutz"@de, "Emission control"@en .

<http://zbw.eu/stw/thsys/185840>
  a <http://zbw.eu/namespaces/zbw-extensions/Thsys>, skos:Concept ;
  rdfs:label "Umweltbelastung und Umweltschutz"@de, "Pollution and environmental protection"@en ;
  skos:narrower stw:15742-2 ;
  skos:notation "N.10.01.04" ;
  skos:prefLabel "N.10.01.04  Umweltbelastung und Umweltschutz"@de, "N.10.01.04  Pollution and environmental protection"@en .