@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef67c71e-ba0d-469d-ad51-55a8c5de23c1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef67c71e-ba0d-469d-ad51-55a8c5de23c1> .