@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57f1a5cd-3abf-44bc-978e-2a9404fcf6be> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57f1a5cd-3abf-44bc-978e-2a9404fcf6be> .