@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/115668003>
  skos:prefLabel "ماده بیولوژیکی"@fa, "Biological substance"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/417176000> .

<http://www.irandoc.acir/onto/irandoc/417176000>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/115668003> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/81286007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/115668003> ;
  skos:prefLabel "ماده رشد دهنده (ماده)"@fa, "Growth substance (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/81286007>
  skos:prefLabel "عامل رشد"@fa, "Growth factor"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/417176000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/417176000> .

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