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

<http://www.irandoc.acir/onto/irandoc/NEMA0004950>
  skos:prefLabel "فناوری هواپیما"@fa, "aircraft technology"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004929> .

<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/NEMA0004929> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004929>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004944> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004950> ;
  skos:prefLabel "بالون‌ها"@fa, "airships"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .