@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/68f1df7e-b4b3-4ebc-9c51-08c8d0562ddc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/68f1df7e-b4b3-4ebc-9c51-08c8d0562ddc> .