@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff9454c6-eef6-46b2-8ccb-ad22308bc439> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff9454c6-eef6-46b2-8ccb-ad22308bc439> .