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

<http://www.irandoc.acir/onto/irandoc/CAB0004762>
  skos:prefLabel "زغال‌سنگ"@fa, "coal"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058546> .

<http://www.irandoc.acir/onto/irandoc/CAB0058546>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0004762>, <http://www.irandoc.acir/onto/irandoc/CAB0004764> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058547> ;
  skos:prefLabel "carbonaceous deposits"@en, "نهشته‌های کربندار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0004764>
  skos:prefLabel "کود گیاهی"@fa, "peat"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058546> .

<http://www.irandoc.acir/onto/irandoc/CAB0058547>
  skos:prefLabel "geological materials by type"@en, "مواد زمین شناختی ازنظرنوع"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0058546> .