This book constitutes the refereed proceedings of the 8th International Conference on Collaboration Technologies, CollabTech 2016, held in Kanazawa, Japan, in September 2016. The 16 revised full papers presented together with 4 short papers and a keynote were carefully reviewed and selected from 48 submissions. The papers focus on the following topics: cross-cultural collaboration; learning support systems; social networking; rescue and health support; real and virtual collaboration.

This book constitutes the refereed proceedings of the 7th International Conference on Collaboration Technologies, CollabTech 2014, held in Santiago, Chile, in September 2014. The 10 revised full papers presented together with 4 short papers and a keynote were carefully reviewed and selected from 34 submissions. The papers are organized in topical sections on Collaborative Problem Solving; Knowledge Work and CSCW Tasks; Co-Dining Support; Augmented Reality and Robot; Learning Support Systems.

This book constitutes the proceedings of the 26th International Conference on Collaboration Technologies and Social Computing, CollabTech 2020. The conference was scheduled to take place in Tartu, Estonia, in September 2020. It was held virtually due to the COVID-19 pandemic. The 10 full and 5 work-in-progress papers presented in this volume were carefully reviewed and selected from 25 submissions.

This book constitutes the refereed proceeding of the 23rd International Conference on Collaboration and Technology, CRIWG 2017, held in Saskatoon, Canada, in August 2017. The 14 full papers presented together with 5 work-in-progress papers were carefully reviewed and selected from 33 submissions. The papers focus on collaboration technology design, development, and evaluation. The background research is influenced by a number disciplines, such as computer science, management science, information systems, engineering, psychology, cognitive sciences, and social sciences