@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91ff0350-53e3-4e8b-88b3-81cdd49189cf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91ff0350-53e3-4e8b-88b3-81cdd49189cf> .