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

<http://rdf-vocabulary.ddialliance.org/xkos#type> rdfs:label "type"@en, "نوع"@fa .
<http://www.irandoc.acir/onto/irandoc/40d46fee-5bc3-43c7-8b86-47136e4ee1cc>
  ns0:type skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/2a5345ea-2bd1-45f5-818c-bf056b4f6500> ;
  skos:prefLabel "Metagratings"@en, "متاگراتینگ‌ها"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/2a5345ea-2bd1-45f5-818c-bf056b4f6500>
  skos:prefLabel "Acoustic metamaterials"@en, "فرامواد آکوستیک"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/40d46fee-5bc3-43c7-8b86-47136e4ee1cc> .