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

<http://www.irandoc.acir/onto/irandoc/NEMA0009536>
  skos:prefLabel "اختروش‌ها‌"@fa, "quasars"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0009537> .

<http://www.irandoc.acir/onto/irandoc/NEMA0009538>
  skos:prefLabel "منابع تشعشع (نجوم)"@fa, "radio sources (astronomy)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0009537> .

<http://www.irandoc.acir/onto/irandoc/NEMA0009537>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0009536> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0009538> ;
  skos:prefLabel "تپ‌اخترها"@fa, "pulsars"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .