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

<http://www.irandoc.acir/onto/irandoc/INSP0004431>
  skos:prefLabel "میان‌سپهر"@fa, "mesosphere"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0004430> .

<http://www.irandoc.acir/onto/irandoc/INSP0004430>
  skos:altLabel "polar mesospheric clouds"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0004431> ;
  skos:prefLabel "ابر شب‌تاب"@fa, "noctilucent clouds"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .