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

<http://www.irandoc.acir/onto/irandoc/CAB0057481>
  skos:prefLabel "نور معمولی"@fa, "natural light"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0057482> .

<http://www.irandoc.acir/onto/irandoc/CAB0057478>
  skos:prefLabel "نور مصنوعی"@fa, "artificial light"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0057482> .

<http://www.irandoc.acir/onto/irandoc/CAB0057482>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0057481>, <http://www.irandoc.acir/onto/irandoc/CAB0057478> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0057485> ;
  skos:prefLabel "light by source"@en, "نور از نظر چشمه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0057485>
  skos:prefLabel "نور"@fa, "light"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0057482> .