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

<http://www.irandoc.acir/onto/irandoc/NEMA0009524>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0003451> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0009540> ;
  skos:prefLabel "ساختار کهکشانی"@fa, "galactic structure"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0003451>
  skos:prefLabel "کهکشان‌ها"@fa, "galaxies"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0009524> .

<http://www.irandoc.acir/onto/irandoc/NEMA0009540>
  skos:prefLabel "اخترفیزیک"@fa, "astrophysics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0009524> .