RCIS aims to bring together scientists, researchers, engineers and practitioners from a wide range of information science fields and to provide opportunities for knowledge sharing and dissemination. RCIS 2021 will continue paying attention to traditional topics at the conference; in addition, we solicit submissions aligned with the special theme “Information Science and global crisis". Global crisis, as the pandemic we are experiencing in these days, natural disasters, wars and international political crisis, are challenging Information Science to help building effective management solutions, to learn from previous experience how to prevent them, and to support Humans keep on performing core activities, as education, and communication. The diversity of crises’ causes, the quality of the collected data as well as the complexity of the underlying mechanisms are among the relevant research challenges.