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

<http://www.irandoc.acir/onto/irandoc/NEMA000271>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA000272> ;
  skos:prefLabel "ریشه‌های اولیه"@fa, "primitive roots"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA000272>
  skos:prefLabel "نظریه جبری اعداد"@fa, "algebraic number theory"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA000271> .