@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef4bb3f8-0e31-44e4-b7e4-8337850cd90f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef4bb3f8-0e31-44e4-b7e4-8337850cd90f> .