@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91e39520-3d6d-408f-a429-92481197ebc7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91e39520-3d6d-408f-a429-92481197ebc7> .