@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81b3907-ed75-4950-9573-4ec6fc2ef9ea> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81b3907-ed75-4950-9573-4ec6fc2ef9ea> .