@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef3c663e-4774-4a9d-8d3a-d0e921e7eb62> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef3c663e-4774-4a9d-8d3a-d0e921e7eb62> .