P. Bihler, M. Fotsing, G. Kniesel, und C. Joffroy. iiWAS '08: Proceedings of the 10th International Conference on Information Integration and Web-based Applications & Services, Linz, Austria, Seite 677-680. (2008)
M. Araki. WMISI '07: Proceedings of the 2007 Workshop on Multimodal Interfaces in Semantic Interaction, Nagoya, Japan, Seite 58-62. New York, USA, ACM, (2007)