@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/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/425620007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/425620007> .

<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/425620007> .

<http://www.irandoc.acir/onto/irandoc/286654008> ns0:Has_compositional_material <http://www.irandoc.acir/onto/irandoc/425620007> .
<http://www.irandoc.acir/onto/irandoc/257363003> ns0:Has_compositional_material <http://www.irandoc.acir/onto/irandoc/425620007> .
<http://www.irandoc.acir/onto/irandoc/113138005> ns0:Direct_substance <http://www.irandoc.acir/onto/irandoc/425620007> .
<http://www.irandoc.acir/onto/irandoc/262198002> ns0:Has_compositional_material <http://www.irandoc.acir/onto/irandoc/425620007> .
<http://www.irandoc.acir/onto/irandoc/272222002> ns0:Has_compositional_material <http://www.irandoc.acir/onto/irandoc/425620007> .
ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/425620007>
  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 "فلز (ماده)"@fa, "Metal (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/10372006> ns0:Direct_substance <http://www.irandoc.acir/onto/irandoc/425620007> .
<http://www.irandoc.acir/onto/irandoc/81940003> ns0:Direct_substance <http://www.irandoc.acir/onto/irandoc/425620007> .
<http://www.irandoc.acir/onto/irandoc/261266002> ns0:Has_compositional_material <http://www.irandoc.acir/onto/irandoc/425620007> .
<http://www.irandoc.acir/onto/irandoc/56159008> ns0:Direct_substance <http://www.irandoc.acir/onto/irandoc/425620007> .
<http://www.irandoc.acir/onto/irandoc/773092001> ns0:Has_compositional_material <http://www.irandoc.acir/onto/irandoc/425620007> .