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

<http://www.irandoc.acir/onto/irandoc/HLT000419>
  skos:prefLabel "Population study"@en, "مطالعه جمعیتی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000151> .

<http://www.irandoc.acir/onto/irandoc/HLT000151>
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000419>, <http://www.irandoc.acir/onto/irandoc/HLT0001197> ;
  skos:prefLabel "Census"@en, "سرشماری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/HLT0001197>
  skos:prefLabel "Demography"@en, "جمعیت‌شناسی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000151> .