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

<http://www.irandoc.acir/onto/irandoc/NEMA0009407>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004870> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0009409> ;
  skos:prefLabel "کوره‌های خورشیدی"@fa, "solar furnaces"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0004870>
  skos:prefLabel "انرژی خورشیدی"@fa, "solar energy"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0009407> .

<http://www.irandoc.acir/onto/irandoc/NEMA0009409>
  skos:prefLabel "furnaces"@en, "کوره‌ها"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0009407> .