@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a8d219-4928-4c89-bb4d-d95f811462b8> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a8d219-4928-4c89-bb4d-d95f811462b8> .