@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef4ad4fd-fbb0-4ee9-9dba-8b7e8755dd57> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef4ad4fd-fbb0-4ee9-9dba-8b7e8755dd57> .