@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/68b4df21-5dc0-4291-b8ad-e50c0f2fd9dd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/68b4df21-5dc0-4291-b8ad-e50c0f2fd9dd> .