@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef8a568e-ab78-4ad8-b78f-54635e81f041> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef8a568e-ab78-4ad8-b78f-54635e81f041> .