@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff56fe57-ef0d-44c8-84a2-249c7f976def> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff56fe57-ef0d-44c8-84a2-249c7f976def> .