@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/85378003>
  skos:prefLabel "Bromine"@en, "برم"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/28227002> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/28227002> .

<http://www.irandoc.acir/onto/irandoc/57795002>
  skos:prefLabel "Chemical element"@en, "عنصر شیمیایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/28227002> .

<http://www.irandoc.acir/onto/irandoc/28227002>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/767523007>, <http://www.irandoc.acir/onto/irandoc/57795002> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "Halogen"@en, "هالوژن"@fa ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/29276003>, <http://www.irandoc.acir/onto/irandoc/85378003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/57795002>, <http://www.irandoc.acir/onto/irandoc/767523007> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/767523007>
  skos:prefLabel "هالوژن و ترکیب هالوژن (ماده)"@fa, "Halogen and halogen compound (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/28227002> .

<http://www.irandoc.acir/onto/irandoc/29276003>
  skos:prefLabel "Chlorine"@en, "کلر"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/28227002> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/28227002> .