@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a1ff7dbc-b0f6-4d83-9136-992a3bea1163> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a1ff7dbc-b0f6-4d83-9136-992a3bea1163> .