@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81580d94-b35d-405e-9b80-d7e7f9a42a5a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81580d94-b35d-405e-9b80-d7e7f9a42a5a> .