@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff87a55c-103b-463b-90c3-60e5adafbfcf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff87a55c-103b-463b-90c3-60e5adafbfcf> .