@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/422809003>
  skos:prefLabel "عدسی پلی کربنات (ویژگی)"@fa, "Polycarbonate lens (attribute)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/260783000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/260783000> .

<http://www.irandoc.acir/onto/irandoc/424528004>
  skos:prefLabel "لنز مقاوم در برابر ضربه (ویژگی)"@fa, "Impact-resistant lens (attribute)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/260783000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/260783000> .

<http://www.irandoc.acir/onto/irandoc/260783000>
  skos:broader <http://www.irandoc.acir/onto/irandoc/276731003> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/424337000>, <http://www.irandoc.acir/onto/irandoc/422702001>, <http://www.irandoc.acir/onto/irandoc/424528004>, <http://www.irandoc.acir/onto/irandoc/422809003> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "مواد لنز"@fa, "Lens material"@en ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/276731003> .

<http://www.irandoc.acir/onto/irandoc/422702001>
  skos:prefLabel "لنز شیشه ای با شاخص بالا (ویژگی)"@fa, "High-index glass lens (attribute)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/260783000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/260783000> .

<http://www.irandoc.acir/onto/irandoc/424337000>
  skos:prefLabel "لنز پلاستیکی (ویژگی)"@fa, "Plastic lens (attribute)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/260783000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/260783000> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/276731003>
  skos:prefLabel "Material"@en, "مواد"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/260783000> .