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

<http://www.irandoc.acir/onto/irandoc/AEM0001459>
  skos:broader <http://www.irandoc.acir/onto/irandoc/AEM0001461> ;
  skos:prefLabel "Solar energy"@en, "انرژی خورشیدی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/AEM0001461>
  skos:prefLabel "Fuel"@en, "سوخت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/AEM0001459> .