@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dd61ed-d6bf-405a-b178-787f9d9c2728> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dd61ed-d6bf-405a-b178-787f9d9c2728> .