Virtuoso 37000 Error SP030: SPARQL compiler, line 0: Bad character '%' (0x25) in SPARQL expression at '%' SPARQL query: define sql:big-data-const 0 #output-format:text%2Fhtml DESCRIBE %3Chttps://dati-asisp.intesasanpaolo.com/lod/resource/PhotographicHeritage/IT-PF-FT001-007874%3E