@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b9c4f155-50f0-45b8-b4e1-19e44876e631> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b9c4f155-50f0-45b8-b4e1-19e44876e631> .