@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:18137-4
  a skos:Concept, <http://zbw.eu/namespaces/zbw-extensions/Descriptor> ;
  ns0:gvkppn "091381282" ;
  skos:altLabel "Biologischer Anbau"@de, "Chemical-free farming"@en, "Eco-farming"@en, "Ecofarming"@en, "Kontrolliert-biologischer Anbau"@de, "Umweltverträgliche Landwirtschaft"@de, "Ökolandbau"@de, "Ökologische Landwirtschaft"@de ;
  skos:broader stw:13452-0, <http://zbw.eu/stw/thsys/71026> ;
  skos:inScheme <http://zbw.eu/stw> ;
  skos:prefLabel "Organic farming"@en, "Ökologischer Landbau"@de ;
  skos:related stw:14932-2, stw:18325-3, stw:30526-0, stw:19020-6 .

stw:14932-2
  a <http://zbw.eu/namespaces/zbw-extensions/Descriptor>, skos:Concept ;
  skos:prefLabel "Organic food"@en, "Bio-Lebensmittel"@de ;
  skos:related stw:18137-4 .

stw:19020-6
  a <http://zbw.eu/namespaces/zbw-extensions/Descriptor>, skos:Concept ;
  skos:prefLabel "Organischer Dünger"@de, "Organic fertilizer"@en ;
  skos:related stw:18137-4 .

stw:30526-0
  a <http://zbw.eu/namespaces/zbw-extensions/Descriptor>, skos:Concept ;
  skos:prefLabel "Agroecology"@en, "Agrarökologie"@de ;
  skos:related stw:18137-4 .

stw:13452-0
  a <http://zbw.eu/namespaces/zbw-extensions/Descriptor>, skos:Concept ;
  skos:narrower stw:18137-4 ;
  skos:prefLabel "Cropping system"@en, "Anbausystem"@de .

<http://zbw.eu/stw/thsys/71026>
  a <http://zbw.eu/namespaces/zbw-extensions/Thsys>, skos:Concept ;
  rdfs:label "Landwirtschaftliche Betriebsformen"@de, "Farming systems"@en ;
  skos:narrower stw:18137-4 ;
  skos:notation "W.01.03.01" ;
  skos:prefLabel "W.01.03.01  Landwirtschaftliche Betriebsformen"@de, "W.01.03.01  Farming systems"@en .

stw:18325-3
  a <http://zbw.eu/namespaces/zbw-extensions/Descriptor>, skos:Concept ;
  skos:prefLabel "Nachhaltige Entwicklung"@de, "Sustainable development"@en ;
  skos:related stw:18137-4 .