@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ba8b2f-ba70-4dcc-b0ac-5467723b2edc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ba8b2f-ba70-4dcc-b0ac-5467723b2edc> .