@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dd6f20-6af7-4b5d-90df-434fe8e264b5> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dd6f20-6af7-4b5d-90df-434fe8e264b5> .