L. Lucignano, F. Cutugno, S. Rossi, and A. Finzi. Proceedings of the 15th ACM on International Conference on Multimodal Interaction, page 197–204. New York, NY, USA, Association for Computing Machinery, (2013)
T. Heinroth, D. Denich, and W. Minker. Universal Access in Human-Computer Interaction. Applications and Services, volume 6768 of Lecture Notes in Computer Science, chapter 5, Springer-Verlag, Berlin/Heidelberg, (2011)
S. Ultes, T. Heinroth, A. Schmitt, and W. Minker. Proceedings of the Paralinguistic Information and its Integration in Spoken Dialogue Systems Workshop, chapter 24, Springer-Verlag, New York, NY, USA, (2011)
A. Nguyen, and W. Wobcke. Proceedings of the 10th international conference on Intelligent user interfaces, page 137--144. New York, NY, USA, ACM, (2005)
Y. Cui, and C. Penstein Rosé. Intelligent Tutoring Systems, volume 5091 of Lecture Notes in Computer Science, chapter 107, Springer-Verlag, Berlin/Heidelberg, (2008)
J. Spillner, B. Buder, T. Schiefer, and A. Schill. Proceedings of the 4th International Conference on Software and Data Technologies, 2, page 369-375. INSTICC Press, (July 2009)