@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c615dc-58cb-40dc-a6c3-a58888757dc6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c615dc-58cb-40dc-a6c3-a58888757dc6> .