@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef53ac31-1aa8-4bdd-a7a2-3b3a8dd36bcc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef53ac31-1aa8-4bdd-a7a2-3b3a8dd36bcc> .