@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c57bf9-29ac-48a9-8b14-256c0d90adf5> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c57bf9-29ac-48a9-8b14-256c0d90adf5> .