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

<http://www.irandoc.acir/onto/irandoc/mathpro458>
  skos:prefLabel "صورت دیفرانسیل"@fa, "فرم دیفرانسیلی"@fa, "differential form"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://rdf-vocabulary.ddialliance.org/xkos#comment> rdfs:label "توضیحات"@fa, "comment"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#label> rdfs:label "برچسب"@fa, "label"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro1280>
  skos:prefLabel "زیرمنیفولد آفین"@fa, "affine submanifold"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro480>
  ns0:comment <http://en.wikipedia.org/wiki/pfaffian> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro1280>, <http://www.irandoc.acir/onto/irandoc/mathpro458> ;
  skos:prefLabel "فرم دیفرانسیلی پاف"@fa, "pfaff differential form"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:label <http://www.irandoc.acir/onto/irandoc/mathpro480> .