@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d25d0f-ca8b-4cd6-95be-61e002bb2a6d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d25d0f-ca8b-4cd6-95be-61e002bb2a6d> .