Virtuoso 37000 Error SP030: SPARQL compiler, line 0: Bad character '%' (0x25) in SPARQL expression at '%' SPARQL query: define sql:big-data-const 0 #output-format:text%2Fx-html-script-turtle define input:default-graph-uri DESCRIBE%20%3Chttp%3A%2F%2Fhu.dbpedia.org%2Fresource%2FBenedek_Jen%C5%91_%28fest%C5%91%2C_1906%E2%80%931987%29%3E