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

<http://www.irandoc.acir/onto/irandoc/NEMA0001353>
  skos:prefLabel "راهنمایی (ناوبری)"@fa, "guidance (navigation)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0001351> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004335>
  skos:prefLabel "tugboats"@en, "یدک‌کش‌ها"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001351> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001355>
  skos:prefLabel "surface navigation"@en, "ناوبری سطحی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001351> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001351>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004335>, <http://www.irandoc.acir/onto/irandoc/NEMA0001355> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0001353> ;
  skos:prefLabel "راهنمایی کشتی در بندرگاه"@fa, "harbour pilotage"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .