@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81cc4b39-0c13-40a9-b0a8-de81c7a467ec> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81cc4b39-0c13-40a9-b0a8-de81c7a467ec> .