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

<http://www.irandoc.acir/onto/irandoc/CAB0053979>
  skos:prefLabel "پتاسیم"@fa, "potassium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0053747> .

<http://www.irandoc.acir/onto/irandoc/CAB0053747>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0053979> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0053749> ;
  skos:prefLabel "پتاسیم کربنات"@fa, "potassium carbonate"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0053749>
  skos:prefLabel "کربنات‌ها"@fa, "carbonates"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0053747> .