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

<http://www.irandoc.acir/onto/irandoc/73469000>
  skos:prefLabel "رادیوم"@fa, "Radium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/303703007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/303703007> .

<http://www.irandoc.acir/onto/irandoc/767098004>
  skos:prefLabel "ترکیب فلزی و فلزی"@fa, "Metal and metallic compound"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/303703007> .

<http://www.irandoc.acir/onto/irandoc/1416006>
  skos:prefLabel "ترکیب رادیوم"@fa, "Radium compound"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/303703007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/303703007> .

<http://www.irandoc.acir/onto/irandoc/61527008>
  skos:prefLabel "رادیو ایزوتوپ رادیوم"@fa, "Radium radioisotope"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/303703007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/303703007> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/303703007>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/767098004> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/73469000>, <http://www.irandoc.acir/onto/irandoc/61527008>, <http://www.irandoc.acir/onto/irandoc/1416006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/767098004> ;
  skos:prefLabel "رادیوم و مشتقات آن"@fa, "Radium and its derivatives"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .