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

<http://www.irandoc.acir/onto/irandoc/insp0005004>
  skos:prefLabel "Optical waveguide filter"@en, "پالایه موج‌بر نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0007823> .

<http://www.irandoc.acir/onto/irandoc/insp0007828>
  skos:prefLabel "Optical fibres"@en, "الیاف نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0007823> .

<http://www.irandoc.acir/onto/irandoc/insp0007823>
  skos:altLabel "optical fiber filter"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0005004>, <http://www.irandoc.acir/onto/irandoc/insp0007828> ;
  skos:prefLabel "Optical fibre filter"@en, "پالایه تار نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .