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

<http://www.irandoc.acir/onto/irandoc/NEMA000919>
  skos:prefLabel "جبهه‌ها (هواشناسی)"@fa, "fronts (meteorology)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA000917> .

<http://www.irandoc.acir/onto/irandoc/NEMA000918>
  skos:prefLabel "جبهه‌های هوای گرم"@fa, "warm fronts"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000917> .

<http://www.irandoc.acir/onto/irandoc/NEMA000581>
  skos:prefLabel "هوای سرد"@fa, "cold weather"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000917> .

<http://www.irandoc.acir/onto/irandoc/NEMA000917>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000581>, <http://www.irandoc.acir/onto/irandoc/NEMA000918> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA000919> ;
  skos:prefLabel "جبهه‌های هوای سرد"@fa, "cold fronts"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .