@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#label> rdfs:label "برچسب"@fa, "label"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro3412>
  ns0:is_defined_by <http://www.irandoc.acir/onto/irandoc/mathpro1446> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/0> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro3382> ;
  skos:prefLabel "سطح ریمانی"@fa, "riemannian surface"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:label <http://www.irandoc.acir/onto/irandoc/mathpro3412> .

ns0:is_defined_by rdfs:label "تعریف شده توسط"@fa, "is defined by"@en .
<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 ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro3412> .

<http://www.irandoc.acir/onto/irandoc/mathpro1446>
  skos:prefLabel "نظریه توابع یک متغیر مختلط"@fa, "theory of functions of a complex variable"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .