@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://www.irandoc.acir/onto/irandoc/math0006729>
  skos:prefLabel "فرمول ریمان"@fa, "riemann formula"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/mathpro2734> .

<http://www.irandoc.acir/onto/irandoc/mathpro2734>
  skos:related <http://www.irandoc.acir/onto/irandoc/math0006729> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/math0006740>, <http://www.irandoc.acir/onto/irandoc/mathpro2728> ;
  skos:prefLabel "مسئله گورسا"@fa, "مسئله گورسات"@fa, "goursat problem"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:label <http://www.irandoc.acir/onto/irandoc/mathpro2734> .

<http://www.irandoc.acir/onto/irandoc/mathpro2728>
  skos:prefLabel "مسائل معادلات دیفرانسیل"@fa, "differential equations problems"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro2734> .

<http://www.irandoc.acir/onto/irandoc/math0006740>
  skos:prefLabel "معادله دیفرانسیل جزئی هذلولوی"@fa, "hyperbolic partial differential equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .