@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91e0bc6d-ff3a-4c47-b0de-58af520044ef> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91e0bc6d-ff3a-4c47-b0de-58af520044ef> .