@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef61dbaa-053c-4f59-bc6d-4da309668596> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef61dbaa-053c-4f59-bc6d-4da309668596> .