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

<http://www.irandoc.acir/onto/irandoc/NEMA0007781>
  skos:prefLabel "ماسه"@fa, "sand"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002563> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002563>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007781> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0002564> ;
  skos:prefLabel "ماسه‌سنگ‌ها"@fa, "sandstones"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0002564>
  skos:prefLabel "سنگ‌های رسوبی"@fa, "sedimentary rocks"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0002563> .