@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/31ff8a53-d50c-4289-863b-4e353873ccef> rdfs:isDefinedBy <https://stad.gent/data/blank_node/31ff8a53-d50c-4289-863b-4e353873ccef> .