@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c808cd-0ce4-4ef9-a954-d39b9d7f5982> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c808cd-0ce4-4ef9-a954-d39b9d7f5982> .