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

<http://www.irandoc.acir/onto/irandoc/insp0010876>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0002787> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0010879> ;
  skos:prefLabel "River pollution"@en, "آلودگی رودخانه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0002787>
  skos:prefLabel "River"@en, "رودخانه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010876> .

<http://www.irandoc.acir/onto/irandoc/insp0010879>
  skos:prefLabel "Water pollution"@en, "آلودگی آب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0010876> .