@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e1c0ce-ef02-4c37-932e-b0dea4c01f9d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e1c0ce-ef02-4c37-932e-b0dea4c01f9d> .