@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b50a639a-f9fa-45bd-af34-b9250456f74f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b50a639a-f9fa-45bd-af34-b9250456f74f> .