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

<http://www.irandoc.acir/onto/irandoc/insp0006649>
  skos:prefLabel "Europium"@en, "اروپیم"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009774> .

<http://www.irandoc.acir/onto/irandoc/insp0015019>
  skos:prefLabel "Europium alloy"@en, "آلیاژ اروپیم"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0009774> .

<http://www.irandoc.acir/onto/irandoc/insp0009774>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0006649>, <http://www.irandoc.acir/onto/irandoc/insp0015019> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0009786> ;
  skos:prefLabel "Europium compounds"@en, "ترکیبات اروپیم"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0009786>
  skos:prefLabel "Rare earth compounds"@en, "ترکیبات خاک کمیاب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0009774> .