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

<http://www.irandoc.acir/onto/irandoc/INSP0005059>
  skos:prefLabel "تحقیق در عملیات"@fa, "operations research"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0005044> .

<http://www.irandoc.acir/onto/irandoc/INSP0005043>
  skos:prefLabel "بسته‌بندی بین"@fa, "bin packing"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0005044> .

<http://www.irandoc.acir/onto/irandoc/INSP0005044>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0005043> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0005059> ;
  skos:prefLabel "مشکل کوله‌پشتی"@fa, "knapsack problem"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .