@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://rdf-vocabulary.ddialliance.org/xkos#defines> rdfs:label "تعریف می کند"@fa, "defines"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro88>
  skos:prefLabel "صفحه"@fa, "هواپیما"@fa, "plane"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro2554> .

<http://rdf-vocabulary.ddialliance.org/xkos#contains> rdfs:label "شامل"@fa, "contains"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro2554>
  ns0:contains <http://www.irandoc.acir/onto/irandoc/mathpro92> ;
  ns0:defines <http://www.irandoc.acir/onto/irandoc/mathpro1446> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro88> ;
  skos:prefLabel "صفحه اعداد مختلط"@fa, "plane of complex numbers"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:label <http://www.irandoc.acir/onto/irandoc/mathpro2554> .

<http://www.irandoc.acir/onto/irandoc/mathpro92>
  skos:prefLabel "فضا"@fa, "space"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<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 .