@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81a6a5e-7cc9-4ef7-9427-ae8a6eb74720> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81a6a5e-7cc9-4ef7-9427-ae8a6eb74720> .