@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509db87b-fba0-44aa-a4f8-25049cae1766> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509db87b-fba0-44aa-a4f8-25049cae1766> .