@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .

<http://rdf-vocabulary.ddialliance.org/xkos#label> rdfs:label "برچسب"@fa, "label"@en .
<http://www.irandoc.acir/onto/irandoc/math0004457>
  skos:prefLabel "نظریه حلقه‌های تعویض‌نا‌پذیر"@fa, "non-commutative ring theory"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro1415>
  skos:prefLabel "ring"@en, "حلقه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro1418> .

<http://www.irandoc.acir/onto/irandoc/mathpro1418>
  skos:broader <http://www.irandoc.acir/onto/irandoc/math0004457>, <http://www.irandoc.acir/onto/irandoc/mathpro1415> ;
  skos:prefLabel "حلقه ارشمیدسی"@fa, "archimedean ring"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:label <http://www.irandoc.acir/onto/irandoc/mathpro1418> .