@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81be8121-23d5-44d8-a46d-60c57b0fd3bf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81be8121-23d5-44d8-a46d-60c57b0fd3bf> .