@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://rdf-vocabulary.ddialliance.org/xkos#Is_a> rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/415774008>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/258680008> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/304608003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/258680008> ;
  skos:prefLabel "واحد جرم اتمی (مقدار واجد شرایط)"@fa, "Unit of atomic mass (qualifier value)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/258680008>
  skos:prefLabel "واحد جرم"@fa, "Unit of mass"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/415774008> .

<http://www.irandoc.acir/onto/irandoc/304608003>
  skos:prefLabel "دالتون"@fa, "dalton"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/415774008> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/415774008> .