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

<http://www.irandoc.acir/onto/irandoc/NEMA0004303>
  skos:prefLabel "tidal waves"@en, "امواج کشندی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004304> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004304>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004303> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004307> ;
  skos:prefLabel "امواج اقیانوس"@fa, "ocean waves"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0004307>
  skos:prefLabel "اقیانوس‌شناسی جنبشی"@fa, "dynamic oceanography"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004304> .