@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c57c23d8-4778-4b4b-8a75-43412b236fe1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c57c23d8-4778-4b4b-8a75-43412b236fe1> .