@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff91d9d9-15ac-46c3-876a-5a4cb32c912d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff91d9d9-15ac-46c3-876a-5a4cb32c912d> .