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

<http://www.irandoc.acir/onto/irandoc/NEMA0008868>
  skos:prefLabel "دو سال یکبار"@fa, "biennial"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008873> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008873>
  skos:altLabel "CADA 3 AÑOS"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008872>, <http://www.irandoc.acir/onto/irandoc/NEMA0008868> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008883> ;
  skos:prefLabel "سه سال یکبار"@fa, "triennial"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008872>
  skos:prefLabel "سالیانه"@fa, "annual"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008873> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008883>
  skos:prefLabel "تناوب"@fa, "periodicity"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008873> .