@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57213958-ad98-46b7-8912-7711c277ac1b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57213958-ad98-46b7-8912-7711c277ac1b> .