M. Horchani, B. Caron, L. Nigay, and F. Panaget. Proceedings of the 9th International Conference on Multimodal Interfaces (ICMI '07), Nagoya, Japan, page 291-298. (2007)
H. Holzapfel, K. Nickel, and R. Stiefelhagen. Proceedings of the 6th International Conference on Multimodal Interfaces (ICMI '04), State College, PA, USA, page 175-182. (2004)
L. Hong, E. Chi, R. Budiu, P. Pirolli, and L. Nelson. Proceedings of the Working Conference on Advanced Visual Interfaces (AVI '08), Napoli, Italy, page 65-72. (2008)
G. Herzog, H. Kirchmann, S. Merten, A. Ndiaye, and P. Poller. Proceedings of the HLT-NAACL 2003 Workshop on Software Engineering and Architecture of Language Technology Systems (SEALTS), Edmonton, Canada, page 75-82. (2003)