@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef4ef9d0-55ac-4bf4-9a0d-62ec4543c926> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef4ef9d0-55ac-4bf4-9a0d-62ec4543c926> .