@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d0e41f-87b4-4eb8-a98f-9141fa6419a0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d0e41f-87b4-4eb8-a98f-9141fa6419a0> .