@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51580c56-401f-4c4a-8a0c-b064ae363ef7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51580c56-401f-4c4a-8a0c-b064ae363ef7> .