@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f8ddf1-82a8-48c3-ae29-f2ddc4efc1b8> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f8ddf1-82a8-48c3-ae29-f2ddc4efc1b8> .