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

<http://www.irandoc.acir/onto/irandoc/AEM0001775>
  skos:broader <http://www.irandoc.acir/onto/irandoc/AEM0001778> ;
  skos:prefLabel "Night"@en, "شب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/AEM0001778>
  skos:prefLabel "Duration"@en, "مدت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/AEM0001775> .