@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef471931-9d34-4931-b2a0-da0b4063f3bb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef471931-9d34-4931-b2a0-da0b4063f3bb> .