- Lecture Notes in Computer Science Springer, Berlin, (2010)
- Lecture Notes in Artificial Intelligence Springer, Berlin, (2005)
- Recent Trends in Discourse and Dialogue, (2008)
- Journal on Multimodal User Interfaces 3(3):227-236 (2010)
- Lecture Notes in Computer Science Springer, Berlin, (2009)
- Personal and Ubiquitous Computing 13(4):293-302 (2009)
- Computer 42(8):13-15 (2009)
- Communications of the ACM 52(9):64-70 (2009)
- Intelligent Virtual Agents: 5th International Working Conference, IVA 2005, Kos, Greece, (2005)
- Intelligent Virtual Agents: 8th International Conference, IVA 2008, Tokyo, Japan, (2008)
- SmartKom: Foundations of Multimodal Dialogue Systems, (2006)
- Intelligent Technologies for Interactive Entertainment: First International Conference, INTETAIN 2005, Madonna di Campiglio, Italy, (2005)
- SmartKom: Foundations of Multimodal Dialogue Systems, (2006)
- Multimedia Systems 16(4):255-274 (2010)
- Proceedings of 6th SIGdial Workshop on Discourse and Dialogue, Lisbon, Portugal, September 2--3, 2005, page 217-221. (2005)


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