@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f6be64-94a8-420f-b24e-ecccd066116b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f6be64-94a8-420f-b24e-ecccd066116b> .