@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/668e1817-bd64-462e-81fc-61c91267e930> rdfs:isDefinedBy <https://stad.gent/data/blank_node/668e1817-bd64-462e-81fc-61c91267e930> .