@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix ns0: <http://purl.org/umu/uneskos#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

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://skos.um.es/unescothes/CS000>
  skos:prefLabel "Тезаурус ЮНЕСКО"@ru, "Thésaurus de l'UNESCO"@fr, "Tesauro de la UNESCO"@es, "UNESCO Thesaurus"@en ;
  a skos:ConceptScheme .

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:altLabel
  rdfs:subPropertyOf rdfs:label ;
  skos:definition "An alternative lexical label for a resource."@en ;
  rdfs:comment "The range of skos:altLabel is the class of RDF plain literals."@en, "skos:prefLabel, skos:altLabel and skos:hiddenLabel are pairwise disjoint properties."@en ;
  rdfs:label "alternative label"@en .

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

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 .

<http://skos.um.es/unescothes/C01880>
  skos:related <http://skos.um.es/unescothes/C03064>, <http://skos.um.es/unescothes/C02961>, <http://skos.um.es/unescothes/C01624> ;
  skos:prefLabel "Hydrocarbons"@en, "Hidrocarburo"@es, "Углеводороды"@ru, "Hydrocarbure"@fr ;
  ns0:memberOf <http://skos.um.es/unescothes/COL225> ;
  skos:broader <http://skos.um.es/unescothes/C02857> ;
  skos:altLabel "Carbure d'hydrogène"@fr ;
  skos:inScheme <http://skos.um.es/unescothes/CS000> ;
  a skos:Concept .

<http://skos.um.es/unescothes/C01624>
  skos:prefLabel "Топливо"@ru, "Combustible"@es, "Combustible"@fr, "Fuels"@en ;
  a skos:Concept ;
  skos:related <http://skos.um.es/unescothes/C01880> .

<http://skos.um.es/unescothes/COL225>
  skos:prefLabel "Ciencias químicas"@es, "Chemical sciences"@en, "Химические науки"@ru, "Sciences de la chimie"@fr ;
  rdfs:label "Химические науки"@ru, "Chemical sciences"@en, "Sciences de la chimie"@fr, "Ciencias químicas"@es ;
  skos:member <http://skos.um.es/unescothes/C01880> ;
  skos:notation "2.25" ;
  a isothes:ConceptGroup .

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://skos.um.es/unescothes/C02961>
  skos:prefLabel "Нефтепродукты"@ru, "Producto petrolífero"@es, "Produit pétrolier"@fr, "Petroleum products"@en ;
  a skos:Concept ;
  skos:related <http://skos.um.es/unescothes/C01880> .

<http://skos.um.es/unescothes/C02857>
  skos:prefLabel "Органические соединения"@ru, "Compuesto orgánico"@es, "Composé organique"@fr, "Organic compounds"@en ;
  a skos:Concept ;
  skos:narrower <http://skos.um.es/unescothes/C01880> .

<http://skos.um.es/unescothes/C03064>
  skos:prefLabel "Загрязнители"@ru, "Contaminante"@es, "Polluant"@fr, "Pollutants"@en ;
  a skos:Concept ;
  skos:related <http://skos.um.es/unescothes/C01880> .