@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e9730f-ff92-419c-8db5-7f42209f4ad6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e9730f-ff92-419c-8db5-7f42209f4ad6> .