@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81818d76-2ccd-4858-a130-c8ea07e05fb6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81818d76-2ccd-4858-a130-c8ea07e05fb6> .