@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/efd86509-b291-43b7-be0a-0e75632b61cb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/efd86509-b291-43b7-be0a-0e75632b61cb> .