@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9d8ef21-d431-4a6f-9a2f-206daec6befd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9d8ef21-d431-4a6f-9a2f-206daec6befd> .