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/67738943-80a3-4720-8d73-63e18f1c1a7a.csv>