@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff89ef60-485c-4e59-baf7-7c4a90cab4bf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff89ef60-485c-4e59-baf7-7c4a90cab4bf> .