@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/68a6990a-89ab-4137-bd87-21b450a80a7d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/68a6990a-89ab-4137-bd87-21b450a80a7d> .