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

<http://www.irandoc.acir/onto/irandoc/INSP0003075>
  skos:prefLabel "railway"@en, "راه‌آهن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/INSP0003073> .

<http://www.irandoc.acir/onto/irandoc/INSP0003073>
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP000336>, <http://www.irandoc.acir/onto/irandoc/INSP000645>, <http://www.irandoc.acir/onto/irandoc/INSP000801> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/INSP0003075> ;
  skos:prefLabel "برق‌رسانی راه‌آهن"@fa, "railway electrification"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/INSP000645>
  skos:prefLabel "خط هوایی قدرت"@fa, "power overhead line"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0003073> .

<http://www.irandoc.acir/onto/irandoc/INSP000336>
  skos:prefLabel "لوکوموتیو برقی"@fa, "electric locomotive"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0003073> .

<http://www.irandoc.acir/onto/irandoc/INSP000801>
  skos:prefLabel "traction"@en, "کشش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/INSP0003073> .