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

<http://www.irandoc.acir/onto/irandoc/258352004>
  skos:prefLabel "درجه 2"@fa, "Grade 2"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/272407005> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/272407005> .

<http://www.irandoc.acir/onto/irandoc/272407005>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/258349007> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/258352004>, <http://www.irandoc.acir/onto/irandoc/258354003>, <http://www.irandoc.acir/onto/irandoc/258353009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/258349007> ;
  skos:prefLabel "درجه عددی"@fa, "Numeric grade"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/258349007>
  skos:prefLabel "نمرات"@fa, "Grades"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/272407005> .

<http://www.irandoc.acir/onto/irandoc/258354003>
  skos:prefLabel "درجه IV"@fa, "Grade IV"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/272407005> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/272407005> .

<http://www.irandoc.acir/onto/irandoc/258353009>
  skos:prefLabel "درجه 3"@fa, "Grade 3"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/272407005> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/272407005> .