@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/INSP0005040> .

<http://www.irandoc.acir/onto/irandoc/INSP0007626>
  skos:prefLabel "نظریه تصمیم"@fa, "decision theory"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0005040> .

<http://www.irandoc.acir/onto/irandoc/INSP0005040>
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007626> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0005059> ;
  skos:prefLabel "تحلیل پوشش داده‌ها"@fa, "data envelopment analysis"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .