@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/50121007>
  skos:prefLabel "عینک چشم"@fa, "Eye glasses"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/397283008> .

<http://rdf-vocabulary.ddialliance.org/xkos#Is_a> rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/397283008>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/50121007> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/397285001> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/50121007> ;
  skos:prefLabel "عینک چند کانونی (شیء فیزیکی)"@fa, "Multifocal glasses (physical object)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/397285001>
  skos:prefLabel "عینک دو کانونی (شیء فیزیکی)"@fa, "Bifocal glasses (physical object)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/397283008> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/397283008> .

<http://www.irandoc.acir/onto/irandoc/50689005> ns0:Direct_device <http://www.irandoc.acir/onto/irandoc/397283008> .