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

<http://www.irandoc.acir/onto/irandoc/NEMA0009464>
  skos:prefLabel "نظریه حلقه"@fa, "ring theory"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0009463> .

<http://www.irandoc.acir/onto/irandoc/NEMA0009463>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0009464> ;
  skos:prefLabel "دامنه‌های صحیح"@fa, "integral domains"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .