@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:narrower <http://www.irandoc.acir/onto/irandoc/CAB0057479> .

<http://www.irandoc.acir/onto/irandoc/CAB0057614>
  skos:prefLabel "ساعت‌های آفتابی"@fa, "sunshine hours"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0057479> .

<http://www.irandoc.acir/onto/irandoc/CAB0057489>
  skos:prefLabel "تابش خورشیدی"@fa, "solar radiation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0057479> .

<http://www.irandoc.acir/onto/irandoc/CAB0057479>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0057614>, <http://www.irandoc.acir/onto/irandoc/CAB0057489> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0057481> ;
  skos:prefLabel "نور خورشید"@fa, "daylight"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .