D. Lalanne, L. Nigay, P. Palanque, P. Robinson, J. Vanderdonckt, und J. Ladr. IMCI-MLMI '09: Proceedings of the 11th International Conference on Multimodal Interfaces and the 6th Workshop on Machine Learning for Multimodal Interfaces, Cambridge, MA, USA, Seite 153-160. (2009)
D. Milward, und M. Beveridge. Proceedings of the 3rd IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems, Acapulco, Mexico, Seite 9-18. (2003)
R. op den Akker, H. Bunt, S. Keizer, und B. van Schooten. Proceedings of Interspeech 2005---Eurospeech: 9th European Conference on Speech Communication and Technology. Lisbon, Portugal, Seite 2793--2796. (2005)