@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a21c7f91-354c-41bd-8675-dc34094f54aa> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a21c7f91-354c-41bd-8675-dc34094f54aa> .