@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/224764003>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/223373004> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/224765002>, <http://www.irandoc.acir/onto/irandoc/224766001> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/223373004> ;
  skos:prefLabel "سوخت جامد"@fa, "Solid fuel"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/224765002>
  skos:prefLabel "Coke"@en, "کک"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/224764003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/224764003> .

<http://www.irandoc.acir/onto/irandoc/224766001>
  skos:prefLabel "ذغال سنگ نارس"@fa, "Peat"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/224764003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/224764003> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/223373004>
  skos:prefLabel "Fuel"@en, "سوخت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/224764003> .