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

<http://www.irandoc.acir/onto/irandoc/NEMA0004388>
  skos:prefLabel "فناوری راه‌آهن"@fa, "railway technology"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001932> .

<http://www.irandoc.acir/onto/irandoc/NEMA000424>
  skos:prefLabel "حمل‌ونقل از طریق راه‌آهن"@fa, "railway transport"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001932> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001936>
  skos:prefLabel "زیرساخت‌ها (حمل‌ونقل)"@fa, "infrastructures (transport)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0001932> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001915>
  skos:prefLabel "پل‌ها"@fa, "bridges"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001932> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008091>
  skos:prefLabel "ترافیک راه‌آهن"@fa, "railway traffic"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001932> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001909>
  skos:prefLabel "ایستگاه‌های راه‌آهن"@fa, "railway stations"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001932> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001918>
  skos:prefLabel "تونل‌ها"@fa, "tunnels"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001932> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001932>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001915>, <http://www.irandoc.acir/onto/irandoc/NEMA0001909>, <http://www.irandoc.acir/onto/irandoc/NEMA000424>, <http://www.irandoc.acir/onto/irandoc/NEMA0004388>, <http://www.irandoc.acir/onto/irandoc/NEMA0008091>, <http://www.irandoc.acir/onto/irandoc/NEMA0001918> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "شبکه راه‌آهن"@fa, "railway network"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0001936> .