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

<http://www.irandoc.acir/onto/irandoc/CAB0058431>
  skos:prefLabel "شیل نفتی"@fa, "oil shale"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058432> .

<http://www.irandoc.acir/onto/irandoc/CAB0058434>
  skos:prefLabel "سنگ‌های رسی"@fa, "argillaceous rocks"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0058432> .

<http://www.irandoc.acir/onto/irandoc/CAB0058217>
  skos:prefLabel "خاک‌های شیلی"@fa, "shale soils"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0058432> .

<http://www.irandoc.acir/onto/irandoc/CAB0058432>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0058431> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0058217> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058434> ;
  skos:prefLabel "شیل"@fa, "shale"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .