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

<http://www.irandoc.acir/onto/irandoc/insp000419>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010327>, <http://www.irandoc.acir/onto/irandoc/insp0005934> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp000431> ;
  skos:prefLabel "Kaluza-klein theory"@en, "نظریه کالوزا-کلین"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0010327>
  skos:prefLabel "Gravitation"@en, "گرانش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000419> .

<http://www.irandoc.acir/onto/irandoc/insp0005934>
  skos:prefLabel "Higher dimensional cosmology"@en, "کیهان‌شناسی ابعاد بالاتر"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000419> .

<http://www.irandoc.acir/onto/irandoc/insp000431>
  skos:prefLabel "Unified field theory"@en, "نظریه میدان وحدت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp000419> .