@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b31d1da9-d5ba-405e-98f6-01e87e9ca410> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b31d1da9-d5ba-405e-98f6-01e87e9ca410> .