@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/397289007>
  skos:prefLabel "مواد عدسی عینک (موجود قابل مشاهده)"@fa, "Spectacle lens material (observable entity)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/397288004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/397288004> .

<http://www.irandoc.acir/onto/irandoc/397288004>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/397252009> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/397289007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/397252009> ;
  skos:prefLabel "ویژگی عدسی عینک (موجود قابل مشاهده)"@fa, "Feature of spectacle lens (observable entity)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/397252009>
  skos:prefLabel "عینک قابل مشاهده (موجود قابل مشاهده)"@fa, "Eye glasses observable (observable entity)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/397288004> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .