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

<http://www.irandoc.acir/onto/irandoc/INSP0004731>
  skos:prefLabel "اکسیژن"@fa, "oxygen"@en ;
  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 "اوزون"@fa, "ozone"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .