@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff99df88-c8c4-44ee-a80b-c5c1d03a7e71> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff99df88-c8c4-44ee-a80b-c5c1d03a7e71> .