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

<http://www.irandoc.acir/onto/irandoc/NEMA000805>
  skos:prefLabel "هندسه اقلیدسی"@fa, "euclidean geometry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000807> .

<http://www.irandoc.acir/onto/irandoc/NEMA000810>
  skos:prefLabel "هندسه تحلیلی"@fa, "analytic geometry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA000807> .

<http://www.irandoc.acir/onto/irandoc/NEMA000807>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000805> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA000810> ;
  skos:prefLabel "سهمی‌ها"@fa, "parabolas"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .