@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a3f1bd-755c-443f-b3b8-6f4d627bcc0e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a3f1bd-755c-443f-b3b8-6f4d627bcc0e> .