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 DEFINE sql:describe-mode "CBD" DESCRIBE%20%3Chttp%3A%2F%2Fdbpedia.org%2Fproperty%2Fevt%3E