@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/61b9b4fd-49db-40f1-8439-1b0890a55dee> rdfs:isDefinedBy <https://stad.gent/data/blank_node/61b9b4fd-49db-40f1-8439-1b0890a55dee> .