@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/INSP0011290>
  skos:prefLabel "زغال‌سنگ"@fa, "coal"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0010882> .

<http://www.irandoc.acir/onto/irandoc/INSP0010882>
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0009991>, <http://www.irandoc.acir/onto/irandoc/INSP0011290> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0010884> ;
  skos:prefLabel "خاکستر زغال"@fa, "coal ash"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/INSP0009991>
  skos:prefLabel "fuel processing industry"@en, "صنعت پردازش سوخت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0010882> .

<http://www.irandoc.acir/onto/irandoc/INSP0010884>
  skos:prefLabel "خاکستر"@fa, "ash"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0010882> .