@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/258255004>
  skos:prefLabel "سطح R1"@fa, "Level R1"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/272417000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/272417000> .

<http://www.irandoc.acir/onto/irandoc/258256003>
  skos:prefLabel "سطح R2"@fa, "Level R2"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/272417000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/272417000> .

<http://www.irandoc.acir/onto/irandoc/258395000>
  skos:prefLabel "Levels"@en, "سطوح"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/272417000> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/272417000>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/258395000> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/258406005>, <http://www.irandoc.acir/onto/irandoc/258256003>, <http://www.irandoc.acir/onto/irandoc/258255004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/258395000> ;
  skos:prefLabel "سطح R"@fa, "Level R"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/258406005>
  skos:prefLabel "سطح R3"@fa, "Level R3"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/272417000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/272417000> .