@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef90055d-43db-4f34-a4b3-f679ffdc358d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef90055d-43db-4f34-a4b3-f679ffdc358d> .