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

<http://www.irandoc.acir/onto/irandoc/CAB0005061>
  skos:prefLabel "زهکشی"@fa, "drainage"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0005055> .

<http://www.irandoc.acir/onto/irandoc/CAB0005055>
  skos:altLabel "drainage, tile"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0005061> ;
  skos:prefLabel "زهکش لوله‌ای"@fa, "tile drainage"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .