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

<http://www.irandoc.acir/onto/irandoc/NEMA000802>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0006714>, <http://www.irandoc.acir/onto/irandoc/NEMA000799> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA000804> ;
  skos:prefLabel "دایره‌ها"@fa, "circles"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA000804>
  skos:prefLabel "هندسه مسطحه"@fa, "plane geometry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA000802> .

<http://www.irandoc.acir/onto/irandoc/NEMA000799>
  skos:prefLabel "کره‌ها (ریاضیات)"@fa, "spheres"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000802> .

<http://www.irandoc.acir/onto/irandoc/NEMA0006714>
  skos:prefLabel "شکل‌های هندسی"@fa, "geometric figures"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA000802> .