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

<http://www.irandoc.acir/onto/irandoc/INSP0007483>
  skos:prefLabel "حسابان"@fa, "calculus"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0007482> .

<http://www.irandoc.acir/onto/irandoc/INSP0007495>
  skos:prefLabel "nonlinear differential equation"@en, "معادله دیفرانسیل غیرخطی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007482> .

<http://www.irandoc.acir/onto/irandoc/INSP0007560>
  skos:prefLabel "Rayleigh-Ritz method"@en, "روش ریلی-ریتز"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0007482> .

<http://www.irandoc.acir/onto/irandoc/INSP0007482>
  skos:altLabel "variational calculus"@en ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0007560> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0007495> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0007483> ;
  skos:prefLabel "تکنیک تغییر"@fa, "variational technique"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .