@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57e1549d-de06-4d9d-9fb6-8abd0ccf373a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57e1549d-de06-4d9d-9fb6-8abd0ccf373a> .