@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a7df0f-e5b0-4890-9400-1076ac19ec54> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a7df0f-e5b0-4890-9400-1076ac19ec54> .