@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c3df35-d934-4f01-8ea6-7e5db641c246> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c3df35-d934-4f01-8ea6-7e5db641c246> .