@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/mathpro3228>
  skos:prefLabel "هندسه دیفرانسیل"@fa, "differential geometry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://rdf-vocabulary.ddialliance.org/xkos#comment> rdfs:label "توضیحات"@fa, "comment"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#is_defined_by> rdfs:label "تعریف شده توسط"@fa, "is defined by"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro86>
  ns0:comment <http://cito-web.yspu.org/link1/metod/met59/node3.html> ;
  ns0:is_defined_by <http://www.irandoc.acir/onto/irandoc/mathpro3228> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro84> ;
  skos:prefLabel "معادل محلی"@fa, "local equivalency"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro84>
  skos:prefLabel "رابطه هم‌ارزی"@fa, "equivalence relation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro86> .