@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a77cbd-9115-4669-b3eb-90bb37e02115> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a77cbd-9115-4669-b3eb-90bb37e02115> .