@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ddf52f3b-4897-410e-9c09-df4a231615ad> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ddf52f3b-4897-410e-9c09-df4a231615ad> .