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

<http://www.irandoc.acir/onto/irandoc/insp0003921>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004001> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0003923> ;
  skos:prefLabel "Lean production"@en, "تولید ناب"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0004001>
  skos:prefLabel "Production management"@en, "مدیریت تولید"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0003921> .

<http://www.irandoc.acir/onto/irandoc/insp0003923>
  skos:prefLabel "Manufacturing system"@en, "سامانه تولید"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0003921> .