@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a0e3dc-af50-4ade-b400-69e808416e99> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a0e3dc-af50-4ade-b400-69e808416e99> .