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

<http://www.irandoc.acir/onto/irandoc/EIT0008550>
  skos:broader <http://www.irandoc.acir/onto/irandoc/EIT0008556> ;
  skos:prefLabel "بتن منبسط‌شونده"@fa, "expansive concrete"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/EIT0008556>
  skos:prefLabel "بتن"@fa, "concrete"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/EIT0008550> .