@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/19910416-f5bd-4218-a086-6ae98e5be985> rdfs:isDefinedBy <https://stad.gent/data/blank_node/19910416-f5bd-4218-a086-6ae98e5be985> .