@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff52de9a-9e26-48e9-bc56-25c679ea6afd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff52de9a-9e26-48e9-bc56-25c679ea6afd> .