@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff0a50fc-33b6-405f-a21d-1588db9fd94c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff0a50fc-33b6-405f-a21d-1588db9fd94c> .