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

<http://www.irandoc.acir/onto/irandoc/NEMA0008731>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008721>, <http://www.irandoc.acir/onto/irandoc/NEMA0008730> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008751> ;
  skos:prefLabel "سولفیت‌ها"@fa, "sulphites"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008721>
  skos:prefLabel "گوگرد"@fa, "sulphur"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008731> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008730>
  skos:prefLabel "سولفات‌ها"@fa, "sulphates"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008731> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008751>
  skos:prefLabel "نمک‌های معدنی"@fa, "inorganic salts"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008731> .