@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f442bd-4d49-45a8-89b9-c4ea60835ba5> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f442bd-4d49-45a8-89b9-c4ea60835ba5> .