@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57b1e117-8e0e-46b6-98ec-79f388aca553> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57b1e117-8e0e-46b6-98ec-79f388aca553> .