M. Phillips, J. Nguyen, and A. Mischke. Advances in Speech Recognition: Mobile Environments, Call Centers and Clinics, chapter 3, Springer, New York, (2010)
A. Tewari, T. Brown, and J. Canny. Intelligent Virtual Agents: 13th International Conference, IVA 2013, Edinburgh, UK, 8108, Springer, Heidelberg, (2013)
N. Pfleger, J. Alexandersson, and T. Becker. Proceedings of IJCAI-03 Third Workshop on Knowledge and Reasoning in Practical Dialogue System, Acapulco, Mexico, (2003)
F. Klompmaker, V. Paelke, and H. Fischer. Distributed, Ambient, and Pervasive Interactions: Proc.\ of the First International Conference (DAPI 2013), Las Vegas, NV, USA, 8028, Springer, Heidelberg, (2013)
D. Costa, and C. Duarte. Universal Access in Human-Computer Interaction: Design for All and eInclusion, 6th International Conference, UAHCI 2011, Held as Part of HCI International 2011, Orlando, FL, USA, volume 6765 of Lecture Notes in Computer Science, Springer, Heidelberg, (2011)
P. Gebhard. Proceedings of the Fourth International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS '05), Utrecht, The Netherlands, page 29--36. New York, ACM, (2005)