@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a21813fd-f49c-4ffa-9a7a-23aed2437588> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a21813fd-f49c-4ffa-9a7a-23aed2437588> .