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

<http://www.irandoc.acir/onto/irandoc/insp0007804>
  skos:prefLabel "Electrets"@en, "الکتریت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0012169> .

<http://www.irandoc.acir/onto/irandoc/insp0012169>
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0012174>, <http://www.irandoc.acir/onto/irandoc/insp0007804> ;
  skos:prefLabel "Photoelectret"@en, "فوتوالکتریت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0012174>
  skos:prefLabel "Photoelectricity"@en, "فوتوالکتریسیته"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0012169> .