@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51631ac3-a75c-455e-8220-3eae04fd5664> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51631ac3-a75c-455e-8220-3eae04fd5664> .