@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a8f585-093a-4bd3-b07b-9cf97806bef4> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a8f585-093a-4bd3-b07b-9cf97806bef4> .