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

<http://www.irandoc.acir/onto/irandoc/HLT000408>
  skos:prefLabel "Pollution"@en, "آلودگی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000758> .

<http://www.irandoc.acir/onto/irandoc/HLT000474>
  skos:prefLabel "Disaster prevention"@en, "پیشگیری از فاجعه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000758> .

<http://www.irandoc.acir/onto/irandoc/HLT000761>
  skos:prefLabel "Disaster"@en, "فاجعه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/HLT000758> .

<http://www.irandoc.acir/onto/irandoc/HLT000758>
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000408>, <http://www.irandoc.acir/onto/irandoc/HLT000474> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/HLT000761> ;
  skos:prefLabel "Environmental disaster"@en, "فاجعه زیست‌محیطی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .