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

<http://www.irandoc.acir/onto/irandoc/CAB0058499>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0053802> ;
  skos:prefLabel "مگنتیت"@fa, "magnetite"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0053802>
  skos:prefLabel "اکسیدهای آهن"@fa, "iron oxides"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0058499> .