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

<http://www.irandoc.acir/onto/irandoc/HLT0001259>
  skos:prefLabel "Insomnia"@en, "بیخوابی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/HLT0001260> .

<http://www.irandoc.acir/onto/irandoc/HLT0001255>
  skos:prefLabel "Sleep"@en, "خواب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT0001260> .

<http://www.irandoc.acir/onto/irandoc/HLT0001260>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/HLT0001259> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT0001255> ;
  skos:prefLabel "Sleeping disorder"@en, "اختلال خواب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .