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

<http://www.irandoc.acir/onto/irandoc/SOC000788>
  skos:prefLabel "Petroleum"@en, "نفت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/SOC000246> .

<http://www.irandoc.acir/onto/irandoc/SOC000247>
  skos:prefLabel "Industry"@en, "صنعت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/SOC000246> .

<http://www.irandoc.acir/onto/irandoc/SOC000246>
  skos:related <http://www.irandoc.acir/onto/irandoc/SOC000788>, <http://www.irandoc.acir/onto/irandoc/SOC000237> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/SOC000247> ;
  skos:prefLabel "Petroleum Industry"@en, "صنعت نفت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/SOC000237>
  skos:prefLabel "Chemical Industry"@en, "صنعت شیمیایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/SOC000246> .