@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff1d7a6f-7b23-41bd-9bf1-f66a6089ef17> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff1d7a6f-7b23-41bd-9bf1-f66a6089ef17> .