T. Scheffler, R. Roller, und N. Reithinger. Proceedings of the 6th IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems, Pasadena, CA, USA, Seite 93-98. (2009)
A. Katasonov, und M. Palviainen. PerCom 2010 Workshops: Proceedings of the 8th Annual IEEE International Conference on Pervasive Computing and Communications Workshops, Mannheim, Germany, Seite 696-701. (2010)
L. Hong, E. Chi, R. Budiu, P. Pirolli, und L. Nelson. Proceedings of the Working Conference on Advanced Visual Interfaces (AVI '08), Napoli, Italy, Seite 65-72. (2008)