@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87f128f1-7e9c-40ae-abdc-c09506224cfe> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87f128f1-7e9c-40ae-abdc-c09506224cfe> .