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

<http://www.irandoc.acir/onto/irandoc/INSP0008086>
  skos:prefLabel "مواد"@fa, "materials"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0007722> .

<http://www.irandoc.acir/onto/irandoc/INSP0007722>
  skos:altLabel "windows, acoustic"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0015171> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0008086> ;
  skos:prefLabel "مواد صوتی"@fa, "acoustic materials"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/INSP0015171>
  skos:prefLabel "صافی صوت"@fa, "acoustic filter"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007722> .