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

<http://www.irandoc.acir/onto/irandoc/AEM000719>
  skos:prefLabel "Standard"@en, "استاندارد"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/AEM000718> .

<http://www.irandoc.acir/onto/irandoc/AEM000718>
  skos:altLabel "hazardous substances standard"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/AEM000719> ;
  skos:prefLabel "Hazardous materials standard"@en, "استاندارد مواد خطرناک"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .