@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#contains> rdfs:label "شامل"@fa, "contains"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro2575>
  ns0:contains <http://www.irandoc.acir/onto/irandoc/mathpro3356> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro2532> ;
  skos:prefLabel "نیمه‌محوری"@fa, "semiaxis"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro2532>
  skos:prefLabel "محور مختصات"@fa, "axis of coordinates"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro2575> .

<http://www.irandoc.acir/onto/irandoc/mathpro3356>
  skos:prefLabel "پرتو"@fa, "ری"@fa, "ray"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .