@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b73dce-a731-4682-b392-b8ce70bc5543> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b73dce-a731-4682-b392-b8ce70bc5543> .