Padova, Italy,18-19 February 2021 IRCDL 2021 Committee Program Chairs Stefano Ferilli, (University of Bari A. Moro, Italy) Paolo Manghi, (ISTI-CNR, Pisa, Italy) Antonella Poggi, (Sapienza University of Rome, Italy) Giuseppe Serra, (University of Udine, Italy) Gianmaria Silvello, (University of Padua, Italy) Organization Chair Stefano Marchesin, (University of Padua, Italy) Proceedings Chair Dennis Dosso, (University of Padua, Italy) Publicity Chair Fabio Giachelle, (University of Padua, Italy) Program Committee Lorenzo Baraldi, (University of Modena and Reggio Emilia, Italy) Nicola Barbuti, (University of Bari - A. Moro, Italy) Alessia Bardi, (ISTI-CNR, Italy) Valentina Bertalesi, (ISTI-CNR, Italy) Peter Buneman, (University of Edinburgh, UK) Leonardo Candela, (ISTI-CNR, Italy) Marilena Daquino, (University of Bologna, Italy) Giorgio Maria Di Nunzio, (University of Padua, Italy) Nicola Ferro, (University of Padua, Italy) Francesco Leotta, (University of Rome - Sapienza, Italy) Claudio Lucchese, (University of Venice - Ca' Foscari, Italy) Andrea Mannocci, (ISTI-CNR, Italy) Nicola Orio, (University of Padua, Italy) Francesco Osborne, (The Open University, UK) Silvio Peroni, (University of Bologna, Italy) Domenico Redavid, (University of Bari, Italy) Alessandro Sarretta, (CNR-ISMAR, Italy) Luigi Siciliano, (University Library of Bozen-Bolzano, Italy) Anna Maria Tammaro, (University of Parma, Italy) Francesca Tomasi, (University of Bologna, Italy) Thanasis Vergoulis, (IMSI, “Athena” RC, Greece) Fabio Vitali, (University of Bologna, Italy)