@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81f6aa2-d0c5-480f-8359-6d7cf132f45b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81f6aa2-d0c5-480f-8359-6d7cf132f45b> .