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

<http://rdf-vocabulary.ddialliance.org/xkos#comment> rdfs:label "توضیحات"@fa, "comment"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#defines> rdfs:label "تعریف می کند"@fa, "defines"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#contains> rdfs:label "شامل"@fa, "contains"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro1724>
  ns0:comment <http://en.wikipedia.org/wiki/normal_(geometry)> ;
  ns0:contains <http://www.irandoc.acir/onto/irandoc/mathpro781> ;
  ns0:defines <http://www.irandoc.acir/onto/irandoc/mathpro3382> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro1713> ;
  skos:prefLabel "عادی"@fa, "normal"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro1713>
  skos:prefLabel "میدان تانسوری"@fa, "tensor field"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro1724> .

<http://www.irandoc.acir/onto/irandoc/mathpro3382>
  skos:prefLabel "رویه"@fa, "سطح"@fa, "surface"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro781>
  skos:prefLabel "گرادیان"@fa, "gradient"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .