@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b9221c-3cc1-42a6-868a-d874d86d81a2> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b9221c-3cc1-42a6-868a-d874d86d81a2> .