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/c165ac85-1247-021b-e054-020820f2d1c3-row-356908c7a0cf72ce5fdf99d05c9bee7a>