S. Rudolph, and E. Giesbrecht. Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics, page 907--916. Stroudsburg, PA, USA, Association for Computational Linguistics, (2010)
C. Voigtmann, S. Lau, and K. David. 2011 IEEE International Conference on Pervasive Computing and Communications Workshops (PERCOM Workshops), page 403-408. Seattle, USA., IEEE, (March 2011)
S. Lau, and K. David. Assistive and Augmentive Communication for the Disabled: Intelligent Technologies for Communication, Learning and Teaching, chapter 6, IGI Global, (May 2011)
N. Tatti, T. Mielikainen, A. Gionis, and H. Mannila. Proceedings of the Sixth IEEE International Conference on Data Mining (ICDM 2006), page 603--612. IEEE, (December 2006)