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

<http://www.irandoc.acir/onto/irandoc/AGR0010743>
  skos:broader <http://www.irandoc.acir/onto/irandoc/AGR0010746> ;
  skos:prefLabel "Geothermal energy"@en, "انرژی زمین‌گرمایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/AGR0010746>
  skos:prefLabel "Renewable energy"@en, "انرژی تجدیدپذیر"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/AGR0010743> .