@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d3cce7-bad5-4400-a5e8-0932445455b5> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d3cce7-bad5-4400-a5e8-0932445455b5> .