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/plain define sql:describe-mode "CBD" DESCRIBE <http://dati.lavoro.gov.it/SpodCkanApi/api/2/rest/dataset/abb22ec0-72f3-4e65-ae5c-9389b4281cd1.csv>