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

<http://www.irandoc.acir/onto/irandoc/insp0004731>
  skos:prefLabel "Oxygen"@en, "اکسیژن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004730> .

<http://www.irandoc.acir/onto/irandoc/insp0004730>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004731> ;
  skos:prefLabel "Ozone"@en, "اوزون"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .