D. Sonntag, and M. Möller. Proceedings of IUI '10: 15th International Conference on Intelligent User Interfaces, Hong Kong, China, page 381-384. (2010)
D. Sonntag, and M. Möller. Proceedings of the International Conference on Knowledge Management and Information Sharing (KMIS), Madeira, Portugal, (2009)
D. Sonntag, M. Deru, and S. Bergweiler. ICAI'09: Proceedings of the 2009 International Conference on Artificial Intelligence, Las Vegas, NV, USA, page 974-979. (2009)
C. Seitz, C. Legat, and J. Neidig. PerCom 2010 Workshops: Proceedings of the 8th Annual IEEE International Conference on Pervasive Computing and Communications Workshops, Mannheim, Germany, page 708-713. (2010)
R. Schneider, and P. Heisterkamp. Proceedings of the ISCA Tutorial and Research Workshop (ITRW) on Interactive Dialogue in Multi-Modal Systems (IDS-02): Multi-Modal Dialogue in Mobile Environments. Kloster Irsee, Germany, (2002)
J. Schehl, A. Pfalzgraf, N. Pfleger, and J. Steigner. Proceedings of the 10th International Conference on Multimodal Interfaces (ICMI '08), Chania, Crete, Greece, page 77-80. (2008)