Takashi Yoshino, Takaya Yuizono, Gustavo Zurita, Julita Vassileva: Collaboration Technologies and Social Computing - 9th International Conference, CollabTech 2017, Saskatoon, SK, Canada, August 8-10, 2017, Proceedings. Lecture Notes in Computer Science 10397, Springer 2017, ISBN 978-3-319-63087-8