@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1991ef1d-c2c1-4df4-93a2-bc6f564d0dd9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1991ef1d-c2c1-4df4-93a2-bc6f564d0dd9> .