@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/CAB0057779>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0057778> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058359> ;
  skos:prefLabel "soil classification systems"@en, "سیستم‌های رده‌بندی خاک"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0057778>
  skos:prefLabel "Soil Taxonomy"@en, "رده‌بندی خاک"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0057779> .

<http://www.irandoc.acir/onto/irandoc/CAB0058359>
  skos:prefLabel "علم خاک"@fa, "soil science"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0057779> .