@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/34323004>
  skos:broader <http://www.irandoc.acir/onto/irandoc/767721007> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/52141008>, <http://www.irandoc.acir/onto/irandoc/3167007>, <http://www.irandoc.acir/onto/irandoc/55895006>, <http://www.irandoc.acir/onto/irandoc/53034005> ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/767721007>, "224764003" ;
  skos:prefLabel "زغال سنگ"@fa, "Coal"@en .

<http://www.irandoc.acir/onto/irandoc/52141008>
  skos:prefLabel "گرد و غبار زغال سنگ"@fa, "Coal dust"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/34323004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/34323004> .

<http://www.irandoc.acir/onto/irandoc/55895006>
  skos:prefLabel "زغال سنگ نرم"@fa, "Soft coal"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/34323004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/34323004> .

<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/34323004> .

<http://www.irandoc.acir/onto/irandoc/53034005>
  skos:prefLabel "قطران زغال سنگ"@fa, "Coal tar"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/34323004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/34323004> .

<http://www.irandoc.acir/onto/irandoc/3167007>
  skos:prefLabel "زغال سنگ سخت"@fa, "Hard coal"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/34323004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/34323004> .

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