@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dc79bf-7fa9-42f1-9603-e52523bb6436> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dc79bf-7fa9-42f1-9603-e52523bb6436> .