@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b21c98d7-e89d-419e-9fcb-064de3c08fcf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b21c98d7-e89d-419e-9fcb-064de3c08fcf> .