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

<http://zbw.eu/stw/descriptor/15734-1>
  rdfs:label "Water conservation"@en, "Gewässerschutz"@de, "Water pollution control"@en, "Gewässerschutzrecht"@de, "Schutz der Gewässer"@de, "Wasserschutzgebiet"@de ;
  skos:prefLabel "Gewässerschutz"@de, "Water conservation"@en ;
  a skos:Concept, zbwext:Descriptor ;
  skos:related <http://zbw.eu/stw/descriptor/13327-3> .

skos:narrowMatch
  rdfs:subPropertyOf skos:narrower, skos:mappingRelation ;
  skos:definition "skos:narrowMatch is used to state a hierarchical mapping link between two conceptual resources in different concept schemes."@en ;
  rdfs:label "has narrower match"@en .

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/thsys/71011>
  rdfs:label "W.04.02  Water Industry"@en, "Wasserwirtschaft"@de, "W.04.02  Wasserwirtschaft"@de, "Water Industry"@en ;
  skos:notation "W.04.02" ;
  a zbwext:Thsys, skos:Concept ;
  skos:narrower <http://zbw.eu/stw/descriptor/13327-3> ;
  skos:prefLabel "W.04.02  Wasserwirtschaft"@de, "W.04.02  Water Industry"@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 .

<http://zbw.eu/stw/descriptor/13331-5>
  rdfs:label "Kläranlage"@de, "Abwasserverwertung"@de, "Sewage treatment plant"@en, "Wastewater treatment"@en, "Abwasserreinigung"@de, "Wasserwiederverwendung"@de, "Sewage treatment"@en, "Abwasseraufbereitung"@de ;
  skos:prefLabel "Wastewater treatment"@en, "Abwasseraufbereitung"@de ;
  a zbwext:Descriptor, skos:Concept ;
  skos:broader <http://zbw.eu/stw/descriptor/13327-3> .

<http://zbw.eu/stw/descriptor/12979-0>
  rdfs:label "Wasserversorgungsunternehmen"@de, "Water sector"@en, "Water industry"@en, "Wasserwerk"@de, "Wasserwirtschaft"@de, "Water utilities"@en ;
  skos:prefLabel "Wasserwirtschaft"@de, "Water industry"@en ;
  a zbwext:Descriptor, skos:Concept ;
  skos:narrower <http://zbw.eu/stw/descriptor/13327-3> .

zbwext:altLabelRelated
  skos:definition """Lexical label for a related term which is
    not defined as a separate concept. Intended for use with
    skos:Concept, instead of using skos:altLabel."""@en ;
  rdfs:label "altLabelRelated"@en .

<http://dbpedia.org/resource/Water_purification>
  rdfs:label "Wasseraufbereitung"@de, "Water purification"@en ;
  skos:prefLabel "Wasseraufbereitung"@de, "Water purification"@en ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/13327-3> .

<http://eurovoc.europa.eu/4485>
  rdfs:label "Wasserdesinfektion"@de, "Aufbereitung von Trinkwasser aus Abwasser"@de, "Klärung der Abwässer"@de, "purifying plant"@en, "desalination"@en, "Chlorung"@de, "chlorinisation"@en, "purifying station"@en, "water purification"@en, "Wasseraufbereitung"@de, "water treatment"@en, "Entsalzung"@de, "Wasserreinigung"@de, "Kläranlage"@de, "processing of waste water"@en, "Fluorierung"@de, "Abwasserreinigung"@de ;
  skos:prefLabel "Wasseraufbereitung"@de, "water treatment"@en ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/13327-3> .

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/13327-3>
  skos:altLabel "Aufbereitung von Wasser"@de, "Water purification"@en, "Water treatment plant"@en, "Wasseraufbereitungstechnik"@de, "Wasseraufbereitungsanlage"@de, "Water quality improvement"@en ;
  skos:related <http://zbw.eu/stw/descriptor/15734-1>, <http://zbw.eu/stw/descriptor/18071-1>, <http://zbw.eu/stw/descriptor/30459-3> ;
  skos:prefLabel "Wasseraufbereitung"@de, "Water treatment"@en ;
  skos:exactMatch gnd:4064698-1, <http://eurovoc.europa.eu/4485>, <http://dbpedia.org/resource/Water_purification>, wd:Q1463025 ;
  rdfs:label "Water purification"@en, "Water quality improvement"@en, "Water treatment plant"@en, "Wasseraufbereitungstechnik"@de, "Aufbereitung von Wasser"@de, "Entsalzung"@de, "Entsalzungsanlage"@de, "Wasseraufbereitungsanlage"@de, "Water treatment"@en, "Wasseraufbereitung"@de ;
  skos:broader <http://zbw.eu/stw/descriptor/12979-0>, <http://zbw.eu/stw/thsys/71011> ;
  ns0:gvkppn "091345685" ;
  zbwext:altLabelRelated "Entsalzung"@de, "Entsalzungsanlage"@de ;
  skos:narrower <http://zbw.eu/stw/descriptor/13331-5> ;
  dc:isPartOf <http://zbw.eu/stw> ;
  skos:inScheme <http://zbw.eu/stw> ;
  skos:narrowMatch gnd:4169262-7 ;
  a zbwext:Descriptor, skos:Concept ;
  skos:relatedMatch gnd:4131412-8 .

gnd:4169262-7
  rdfs:label "Meerwasserentsalzungsanlage"@de, "Meerwasserentsalzung / Technische Anlage"@de ;
  skos:prefLabel "Meerwasserentsalzungsanlage"@de ;
  skos:broadMatch <http://zbw.eu/stw/descriptor/13327-3> .

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 .

gnd:4131412-8
  rdfs:label "Wasseraufbereitungsanlage"@de ;
  skos:prefLabel "Wasseraufbereitungsanlage"@de ;
  skos:relatedMatch <http://zbw.eu/stw/descriptor/13327-3> .

<http://zbw.eu/stw/descriptor/30459-3>
  rdfs:label "Water quality"@en, "Wasserqualität"@de, "Wassergüte"@de, "Quality of water"@en ;
  skos:prefLabel "Water quality"@en, "Wasserqualität"@de ;
  a zbwext:Descriptor, skos:Concept ;
  skos:related <http://zbw.eu/stw/descriptor/13327-3> .

<http://zbw.eu/stw/descriptor/18071-1>
  rdfs:label "Contaminated site cleanup"@en, "Altlastensanierung"@de, "Umweltsanierung"@de, "Hazardous waste cleanup"@en ;
  skos:prefLabel "Contaminated site cleanup"@en, "Altlastensanierung"@de ;
  a zbwext:Descriptor, skos:Concept ;
  skos:related <http://zbw.eu/stw/descriptor/13327-3> .

wd:Q1463025
  rdfs:label "water purification"@en, "Wasseraufbereitung"@de ;
  skos:prefLabel "water purification"@en, "Wasseraufbereitung"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/13327-3> .

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 .

skos:relatedMatch
  rdfs:subPropertyOf skos:related, skos:mappingRelation ;
  skos:definition "skos:relatedMatch is used to state an associative mapping link between two conceptual resources in different concept schemes."@en ;
  rdfs:label "has related match"@en .

gnd:4064698-1
  rdfs:label "Wasser / Aufbereitung"@de, "Wasserbehandlung"@de, "Wasseraufbereitung"@de ;
  skos:prefLabel "Wasseraufbereitung"@de ;
  skos:exactMatch <http://zbw.eu/stw/descriptor/13327-3> .

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>
  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 .

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

