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

<http://www.irandoc.acir/onto/irandoc/NEMA0008492>
  skos:prefLabel "کتون‌ها"@fa, "ketones"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008488> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008488>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008492> ;
  skos:prefLabel "استون"@fa, "acetone"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .