@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef91d9fa-59b4-4d16-b77c-36069da34431> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef91d9fa-59b4-4d16-b77c-36069da34431> .