@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef4e9df6-4ff1-4fd6-b41a-4c961f4fb659> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef4e9df6-4ff1-4fd6-b41a-4c961f4fb659> .