@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a81a6515-efa1-4ef9-ab23-c3db1c805a69> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a81a6515-efa1-4ef9-ab23-c3db1c805a69> .