@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81afdcd7-4fb5-4d1c-958b-97aa32d94c69> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81afdcd7-4fb5-4d1c-958b-97aa32d94c69> .