@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51bf21c5-d319-47ba-a093-31565741eb8c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51bf21c5-d319-47ba-a093-31565741eb8c> .