@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81cff3a4-2b3b-496a-ad46-2c5e9ae06a28> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81cff3a4-2b3b-496a-ad46-2c5e9ae06a28> .