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/atom+xml define sql:describe-mode "CBD" DESCRIBE <http://dati.lavoro.gov.it/lod/fa5eac85-820c-240a-e054-020820d23886-row-e7bea3eac2f12644cb40eeaaf180d1df>