@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef678a37-e2a3-462c-afa4-c03b90ea2881> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef678a37-e2a3-462c-afa4-c03b90ea2881> .