@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21b90347-e4ab-4299-9431-578a27a1b67b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21b90347-e4ab-4299-9431-578a27a1b67b> .