@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81755ae-d4a7-4eac-9735-816d11f8a419> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81755ae-d4a7-4eac-9735-816d11f8a419> .