@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef1c01cf-5ae5-4763-9d79-e97423cde92a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef1c01cf-5ae5-4763-9d79-e97423cde92a> .