@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b5b56e-4774-4e31-a823-d59f233e42f6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b5b56e-4774-4e31-a823-d59f233e42f6> .