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

<http://www.irandoc.acir/onto/irandoc/CAB0052511>
  skos:prefLabel "تاثیر بازدید کننده"@fa, "visitor impact"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004992> .

<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/CAB0004992> .

<http://www.irandoc.acir/onto/irandoc/CAB0004992>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0052511> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0004996> ;
  skos:prefLabel "آلودگی ناشی از جهانگردی"@fa, "pollution by tourism"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .