@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a5074e-3a26-4ecd-9286-ff100afcf5de> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a5074e-3a26-4ecd-9286-ff100afcf5de> .