@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .

<http://www.irandoc.acir/onto/irandoc/AGR0001506>
  skos:prefLabel "Optimization methods"@en, "روش‌های بهینه‌سازی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:has_narrower <http://www.irandoc.acir/onto/irandoc/AGR0001505> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/AGR0001505> .

<http://www.irandoc.acir/onto/irandoc/AGR0001505>
  skos:broader <http://www.irandoc.acir/onto/irandoc/AGR0001506> ;
  skos:prefLabel "Critical path analysis"@en, "تحلیل مسیر بحرانی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .