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

<http://www.irandoc.acir/onto/irandoc/hza000079>
  skos:prefLabel "gel"@en, "ژل"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/hza000077> .

<http://www.irandoc.acir/onto/irandoc/hza000077>
  skos:broader <http://www.irandoc.acir/onto/irandoc/hza000079> ;
  skos:prefLabel "خشک‌ژل"@fa, "xerogel"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .