@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b1ac81c6-5af8-47a8-a23b-3dbcf6ab2191> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b1ac81c6-5af8-47a8-a23b-3dbcf6ab2191> .