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

<http://www.irandoc.acir/onto/irandoc/CAB0050286>
  skos:prefLabel "پیش‌ویتامین‌ها"@fa, "provitamins"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0050283> .

<http://www.irandoc.acir/onto/irandoc/CAB0050025>
  skos:prefLabel "کاروتن‌ها"@fa, "carotenes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0050283> .

<http://www.irandoc.acir/onto/irandoc/CAB0050283>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0050025>, <http://www.irandoc.acir/onto/irandoc/CAB0050286> ;
  skos:prefLabel "آلفا-کاروتن"@fa, "alpha-carotene"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .