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

<http://www.irandoc.acir/onto/irandoc/CAB0002521>
  skos:prefLabel "سازه آب شیرین"@fa, "freshwater structures"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0002509> .

<http://www.irandoc.acir/onto/irandoc/CAB0002510>
  skos:prefLabel "reservoirs"@en, "دریاچه"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0002509> .

<http://www.irandoc.acir/onto/irandoc/CAB0002509>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0002510>, <http://www.irandoc.acir/onto/irandoc/CAB0004125>, <http://www.irandoc.acir/onto/irandoc/CAB0002552> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0002521> ;
  skos:prefLabel "سد"@fa, "dams"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0002552>
  skos:prefLabel "سازه آبی"@fa, "hydraulic structures"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0002509> .

<http://www.irandoc.acir/onto/irandoc/CAB0004125>
  skos:prefLabel "مهندسی هیدرولیک"@fa, "hydraulic engineering"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0002509> .