@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f2bddb-feeb-44cd-a029-210b5e710e36> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f2bddb-feeb-44cd-a029-210b5e710e36> .