@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/4991a1c9-97e7-488f-8270-67261f91b59a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/4991a1c9-97e7-488f-8270-67261f91b59a> .