@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51af1e96-1d88-47af-8d13-6c04b678a623> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51af1e96-1d88-47af-8d13-6c04b678a623> .