@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87e91321-e703-4d48-8f28-fde53fb3df2d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87e91321-e703-4d48-8f28-fde53fb3df2d> .