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

<http://www.irandoc.acir/onto/irandoc/21847005>
  skos:prefLabel "Oil"@en, "روغن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/11699009> .

<http://www.irandoc.acir/onto/irandoc/11699009>
  ns0:Is_a "767721007", <http://www.irandoc.acir/onto/irandoc/21847005> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/447981000124100> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/21847005> ;
  skos:prefLabel "نفت"@fa, "Petroleum"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/447981000124100>
  skos:prefLabel "روغن موتور (ماده)"@fa, "Motor oil (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/11699009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/11699009> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .