@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d7f75c-bbd2-4b34-a69d-7ca428331163> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d7f75c-bbd2-4b34-a69d-7ca428331163> .