@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509963ce-15b9-426c-b1f8-a613291ccc5a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509963ce-15b9-426c-b1f8-a613291ccc5a> .