@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a3ddc1-5bb6-4c42-8d85-c78eef22de05> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a3ddc1-5bb6-4c42-8d85-c78eef22de05> .