@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef9ae8fc-6ce3-408d-9e85-cb626dab0c71> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef9ae8fc-6ce3-408d-9e85-cb626dab0c71> .