@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57d0f406-a18b-4d32-989b-b3e8a1dea91e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57d0f406-a18b-4d32-989b-b3e8a1dea91e> .