@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21ef8cbe-f1f2-4b3b-8019-979f13b7f734> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21ef8cbe-f1f2-4b3b-8019-979f13b7f734> .