In: Wolfgang Wahlster (Hrsg.). SmartKom: Foundations of Multimodal Dialogue Systems. Pages 379-400, Cognitive Technologies, ISBN 978-3-540-23732-7, Springer, Berlin, Heidelberg, New York, 7/2006.
In: Proceedings of Fifth International Conference on Multimodal Interfaces. International Conference on Multimodal Interfaces (ICMI-2003), Fifth, November 5-7, Vancouver, British Columbia, Canada, ACM, 11/2003.
In: AAAI-02 Workshop on Intelligent Situation-Aware Media and Presentations. AAAI Workshop on Intelligent Situation-Aware Media and Presentations (ISAMP-2002), located at National Conference on AI, July 28, Edmonton, AB, Canada, AAAI, 2002.