@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21209d4a-0037-41f1-ae90-824ccbd7e682> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21209d4a-0037-41f1-ae90-824ccbd7e682> .