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

<http://www.irandoc.acir/onto/irandoc/hza000189>
  skos:prefLabel "ترکیبات آلی"@fa, "organic compounds"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/hza000176> .

<http://www.irandoc.acir/onto/irandoc/hza000176>
  skos:altLabel "گاز نفت"@fa, "" ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/hza000189> ;
  skos:prefLabel "گاز نفت مایع"@fa, "liquefied petroleum gas/lpg"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .