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

<http://www.irandoc.acir/onto/irandoc/CAB0057556>
  skos:prefLabel "نوفه"@fa, "noise"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004987> .

<http://www.irandoc.acir/onto/irandoc/CAB0004987>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0057556> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0004996> ;
  skos:prefLabel "آلودگی صوتی"@fa, "noise pollution"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0004996>
  skos:prefLabel "pollution"@en, "آلودگی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0004987> .