@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a7c6a1-f3fd-4a65-9dcb-f2b0a13ff30c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a7c6a1-f3fd-4a65-9dcb-f2b0a13ff30c> .