@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c6133c-62ec-4946-8444-42d5a8b2fdea> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c6133c-62ec-4946-8444-42d5a8b2fdea> .