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

<http://www.irandoc.acir/onto/irandoc/GEO0008138>
  skos:prefLabel "زمین‌شناسی"@fa, "geology"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/GEO0018288> .

<http://www.irandoc.acir/onto/irandoc/GEO0018288>
  skos:related <http://www.irandoc.acir/onto/irandoc/GEO0008138> ;
  skos:prefLabel "اصل"@fa, "principle"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .