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

<http://www.irandoc.acir/onto/irandoc/HLT000981>
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000407>, <http://www.irandoc.acir/onto/irandoc/HLT000783> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/HLT000983> ;
  skos:prefLabel "Water"@en, "آب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/HLT000783>
  skos:prefLabel "Water accident"@en, "حادثه در آب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000981> .

<http://www.irandoc.acir/onto/irandoc/HLT000407>
  skos:prefLabel "Water pollution"@en, "آلودگی آب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000981> .

<http://www.irandoc.acir/onto/irandoc/HLT000983>
  skos:prefLabel "Environment"@en, "محیط ‌زیست"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/HLT000981> .