@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/insp0004806>
  skos:prefLabel "Polymer"@en, "بسپار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0004794> .

<http://www.irandoc.acir/onto/irandoc/insp0004794>
  skos:altLabel "photopolymer"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0004806>, <http://www.irandoc.acir/onto/irandoc/insp0007931> ;
  skos:prefLabel "Optical polymer"@en, "بسپار اپتیکالی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0007931>
  skos:prefLabel "Optical materials"@en, "مواد نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0004794> .