@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a9f71c3e-715f-4dbc-8012-7415faa714bd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a9f71c3e-715f-4dbc-8012-7415faa714bd> .