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

<http://www.irandoc.acir/onto/irandoc/NEMA0008758>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008763> ;
  skos:prefLabel "استاتین"@fa, "astatine"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008763>
  skos:prefLabel "هالوژن‌ها"@fa, "halogens"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008758> .