@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d5e631-5656-4e0e-8b24-07cc7fac5721> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d5e631-5656-4e0e-8b24-07cc7fac5721> .