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

<http://www.irandoc.acir/onto/irandoc/mathpro2145>
  skos:prefLabel "نقطه"@fa, "point"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro2490> .

<http://rdf-vocabulary.ddialliance.org/xkos#label> rdfs:label "برچسب"@fa, "label"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#contains> rdfs:label "شامل"@fa, "contains"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro2490>
  ns0:contains <http://www.irandoc.acir/onto/irandoc/mathpro1198> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro2145> ;
  skos:prefLabel "نقطه مسطح شدن"@fa, "point of flattening"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:label <http://www.irandoc.acir/onto/irandoc/mathpro2490> .

<http://www.irandoc.acir/onto/irandoc/mathpro1198>
  skos:prefLabel "انحنای گاوس"@fa, "gauss curvature"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .