@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/668b804a-804f-4b46-ad23-9b26525bae10> rdfs:isDefinedBy <https://stad.gent/data/blank_node/668b804a-804f-4b46-ad23-9b26525bae10> .