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

<http://www.irandoc.acir/onto/irandoc/CAB0046890>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0052311> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0050308> ;
  skos:prefLabel "تاریخ طبیعی"@fa, "natural history"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0050308>
  skos:prefLabel "زیست‌شناسی"@fa, "biology"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0046890> .

<http://www.irandoc.acir/onto/irandoc/CAB0052311>
  skos:prefLabel "تماشای پرندگان"@fa, "birdwatching"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0046890> .