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 20th Collaboration Researchers' International Working Group Conference on Collaboration and Technology, held in Santiago, Chile, in September 2014. The 16 revised papers presented together with 18 progress papers and 3 invited talks were carefully reviewed and selected from 49 submissions. The papers published in proceedings of this year's and past CRIWG conferences reflect the trends in collaborative computing research and its evolution. There was a growing interest in social networks analysis, crowdsourcing and computer support for large communities in general. A special research topic which has been traditionally present in the CRIWG proceedings has been collaborative learning.

This volume constitutes the proceedings of the 28th International Conference on Collaboration Technologies and Social Computing, CollabTech 2022, held in Santiago, Chile during November 8-11, 2022. The 18 full and 4 work-in-process papers presented in this volume were selected from 37 submissions and underwent careful double-blind peer review. The papers focus on innovative technical, human and organizational approaches to expand collaboration support including computer science, management science, design science, cognitive and social science.

This volume constitutes the proceedings of the 27th International Conference on Collaboration Technologies and Social Computing, CollabTech 2021, held August/September 2021. Due to VOVID-19 pandemic is was held virtually. The 5 full and 4 work-in-process papers presented in this volume were carefully reviewed and selected from 19 submissions. The papers focus on innovative technical, human and organizational approaches to expand collaboration support including computer science, management science, design science, cognitive and social science.

This book constitutes the refereed proceedings of the 9th International Conference on Collaboration Technologies, CollabTech 2017, held in Saskatoon, SK, Canada, in August 2017. The 10 revised full papers presented in this book together with 6 short papers were carefully reviewed and selected from 37 submissions. The papers focus on topics such as: CSCW system architectures and applications; social computing; crowdsourcing; inter-cultural collaboration; collaborative communication systems; embodied collaboration systems; shared virtual/augmented environments; smart devices for collaboration; computer supported collaborative learning (CSCL); collaborative entertainment systems; computer supported cooperative design (CSCD); and social science studies on collaboration.