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

<http://www.irandoc.acir/onto/irandoc/NEMA0004937>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004944>, <http://www.irandoc.acir/onto/irandoc/NEMA0004946> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004948> ;
  skos:prefLabel "هواپیماهای بدون خلبان"@fa, "pilotless aircraft"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0004946>
  skos:prefLabel "هواپیماهای کنترل از راه دور"@fa, "drone aircraft"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004937> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004948>
  skos:prefLabel "هواپیماها"@fa, "airplanes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004937> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004944>
  skos:prefLabel "هواپیماهای شناسایی"@fa, "observation aircraft"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004937> .