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

<http://www.irandoc.acir/onto/irandoc/mathpro2724>
  ns0:comment <http://uchim.org/algebra-i-geometrija/puchok-ploskostej> ;
  ns0:contains <http://www.irandoc.acir/onto/irandoc/mathpro88> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro258> ;
  skos:prefLabel "مداد هواپیماها"@fa, "pencil of planes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:label <http://www.irandoc.acir/onto/irandoc/mathpro2724> .

ns0:comment rdfs:label "توضیحات"@fa, "comment"@en .
ns0:label rdfs:label "برچسب"@fa, "label"@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 .

ns0:contains rdfs:label "شامل"@fa, "contains"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro258>
  skos:prefLabel "ساختار"@fa, "structure"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro2724> .