@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/90f20933-51ff-4df4-88bb-a6bb9cf454dc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/90f20933-51ff-4df4-88bb-a6bb9cf454dc> .