@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81db9c6-dd7b-4ef6-afe6-6e86e2b73b26> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81db9c6-dd7b-4ef6-afe6-6e86e2b73b26> .