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/4c5cac85-2eeb-b568-e054-020820f2d1c3-row-e4f76ab99830e1b5b9ec1165d9349a4e>