@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81a4af0-d43b-452d-b5dc-7bd8088d2381> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81a4af0-d43b-452d-b5dc-7bd8088d2381> .