@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ac1a4250-e7a9-44d5-b2ae-50111cea781c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ac1a4250-e7a9-44d5-b2ae-50111cea781c> .