@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/65923006>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/289915005> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/427496000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/289915005> ;
  skos:prefLabel "Pumice"@en, "پوکه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/289915005>
  skos:prefLabel "مواد معدنی و سنگ معدن"@fa, "Minerals and ores"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/65923006> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/427496000>
  skos:prefLabel "گرد و غبار پوکه (ماده)"@fa, "Pumice dust (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/65923006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/65923006> .