@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57baff6d-1291-4741-b2af-a374bd664260> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57baff6d-1291-4741-b2af-a374bd664260> .