@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/44446004>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/767721007> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/31086004>, <http://www.irandoc.acir/onto/irandoc/22842001>, <http://www.irandoc.acir/onto/irandoc/17784009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/767721007> ;
  skos:prefLabel "Petroleum product"@en, "فرآورده نفتی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/767721007>
  skos:prefLabel "زغال سنگ و عامل نفت (ماده)"@fa, "Coal and petroleum agent (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/44446004> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/17784009>
  skos:prefLabel "تقطیر نفت"@fa, "Petroleum distillate"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/44446004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/44446004> .

<http://www.irandoc.acir/onto/irandoc/22842001>
  skos:prefLabel "Indene"@en, "ایندن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/44446004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/44446004> .

<http://www.irandoc.acir/onto/irandoc/86772005> ns0:Causative_agent <http://www.irandoc.acir/onto/irandoc/44446004> .
<http://www.irandoc.acir/onto/irandoc/31086004>
  skos:prefLabel "Gasoline"@en, "بنزین"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/44446004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/44446004> .