@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/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/290033005> .

<http://www.irandoc.acir/onto/irandoc/290033005>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/767098004> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/281207004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/767098004> ;
  skos:prefLabel "سریم و مشتقات آن"@fa, "Cerium and its derivatives"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/281207004>
  skos:prefLabel "Cerium"@en, "سریم"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/290033005> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/290033005> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .