@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d374ff-9bd7-47d6-ae99-d0f8cc17b315> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d374ff-9bd7-47d6-ae99-d0f8cc17b315> .