@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff81a579-aae1-45ff-98cd-fef6373e3f07> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff81a579-aae1-45ff-98cd-fef6373e3f07> .