@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/821ce0ba-091f-4931-af0a-5f1febdac89b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/821ce0ba-091f-4931-af0a-5f1febdac89b> .