Virtuoso 37000 Error SP030: SPARQL compiler, line 0: Bad character '&' (0x26) in SPARQL expression at '&' SPARQL query: define sql:big-data-const 0 #output-format:text/csv define sql:describe-mode "CBD" DESCRIBE <http://dati.lavoro.gov.it/lod/fa86ac85-8b82-9625-e054-020820d23886-row-19e8b9d1aa01ae199a4e9924cbc65c3f>