@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57839b7c-c575-429e-8ebd-da9ab2f33bbc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57839b7c-c575-429e-8ebd-da9ab2f33bbc> .