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

<http://www.irandoc.acir/onto/irandoc/9045003>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/774109007>, <http://www.irandoc.acir/onto/irandoc/89457008> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/51800004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/774109007>, <http://www.irandoc.acir/onto/irandoc/89457008> ;
  skos:prefLabel "رادیوایزوتوپ رادون"@fa, "Radon radioisotope"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/89457008>
  skos:prefLabel "ایزوتوپ رادیواکتیو"@fa, "Radioactive isotope"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/9045003> .

<http://www.irandoc.acir/onto/irandoc/51800004>
  skos:prefLabel "^222^رادون"@fa, "^222^Radon"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/9045003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/9045003> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/774109007>
  skos:prefLabel "رادون و ترکیب رادون (ماده)"@fa, "Radon and radon compound (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/9045003> .