@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d88a5c-106b-49b0-a670-f4f973a03731> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d88a5c-106b-49b0-a670-f4f973a03731> .