Virtuoso 37000 Error SP030: SPARQL compiler, line 0: Bad character '&' (0x26) in SPARQL expression at '&' SPARQL query: define sql:big-data-const 0 define sql:describe-mode "CBD" #output-format:application/odata+json define sql:describe-mode "CBD" DESCRIBE <http://dati.lavoro.gov.it/lod/2559ac85-459f-1a57-e054-020820f2d1c3-row-1bf41fc0859c53b414c9a6a6e66096b3>