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

<http://www.irandoc.acir/onto/irandoc/HLT000978>
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000535>, <http://www.irandoc.acir/onto/irandoc/HLT000519>, <http://www.irandoc.acir/onto/irandoc/HLT000314> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/HLT000983> ;
  skos:prefLabel "Indoor environment"@en, "محیط درون‌خانه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/HLT000535>
  skos:prefLabel "Ventilation"@en, "تهویه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000978> .

<http://www.irandoc.acir/onto/irandoc/HLT000314>
  skos:prefLabel "Housing"@en, "مسکن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000978> .

<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/HLT000978> .

<http://www.irandoc.acir/onto/irandoc/HLT000519>
  skos:prefLabel "Insulation"@en, "عایقکاری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000978> .