@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/68c505f7-448b-4947-a25a-ef4b58073893> rdfs:isDefinedBy <https://stad.gent/data/blank_node/68c505f7-448b-4947-a25a-ef4b58073893> .