@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81871e5-03d7-4c74-9045-86c13657f3db> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81871e5-03d7-4c74-9045-86c13657f3db> .