@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix mmd: <https://vocab.met.no/mmd/> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://vocab.met.no/mmd/ISO_Topic_Category/NotAvailable>
  skos:prefLabel "Not available"@en ;
  skos:definition "The iso topic category is not available or not provided."@en ;
  a skos:Concept .

mmd:ISO_Topic_Category
  a isothes:ConceptGroup, skos:Collection ;
  skos:prefLabel "ISO Topic Category"@en ;
  skos:member <https://vocab.met.no/mmd/ISO_Topic_Category/NotAvailable> .