@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/687f90ff-45e8-46ab-bd38-ec197d790f55> rdfs:isDefinedBy <https://stad.gent/data/blank_node/687f90ff-45e8-46ab-bd38-ec197d790f55> .