@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/307482000>
  skos:prefLabel "هر سه سال یکبار"@fa, "Every three years"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/307480008> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/307480008> .

<http://www.irandoc.acir/onto/irandoc/307459002>
  skos:prefLabel "فاصله فرکانس"@fa, "Frequency interval"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/307480008> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/307480008>
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/307483005>, <http://www.irandoc.acir/onto/irandoc/307482000>, <http://www.irandoc.acir/onto/irandoc/307481007>, <http://www.irandoc.acir/onto/irandoc/307484004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/307459002> ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/307459002> ;
  skos:prefLabel "Intervals of years"@en, "فواصل سال"@fa .

<http://www.irandoc.acir/onto/irandoc/307481007>
  skos:prefLabel "یک سال در میان"@fa, "Every other year"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/307480008> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/307480008> .

<http://www.irandoc.acir/onto/irandoc/307483005>
  skos:prefLabel "هر پنج سال یکبار"@fa, "Every five years"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/307480008> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/307480008> .

<http://www.irandoc.acir/onto/irandoc/307484004>
  skos:prefLabel "هر ده سال یکبار"@fa, "Every ten years"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/307480008> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/307480008> .