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

<http://www.irandoc.acir/onto/irandoc/insp0009131>
  skos:prefLabel "Ionization potential"@en, "پتانسیل یونش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003409> .

<http://www.irandoc.acir/onto/irandoc/insp0003409>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009131> ;
  skos:prefLabel "Proton affinity"@en, "جاذبه پروتون"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .