@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/f81d8b5d-cbbe-47a6-a21e-6a6717da855f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/f81d8b5d-cbbe-47a6-a21e-6a6717da855f> .