Digital Libraries: Supporting Open Science 15th Italian Research Conference on Digital Libraries, IRCDL 2019, Pisa, Italy, January 31 - February 1, 2019, Proceedings - Manghi, Paolo; Manghi, Paolo; Candela, Leonardo; Candela, Leonardo; Silvello, Gianmaria; Silvello, Gianmaria (Springer International Publishing : Imprint: Springer, 2019)