M. Phillips, J. Nguyen, and A. Mischke. Advances in Speech Recognition: Mobile Environments, Call Centers and Clinics, chapter 3, Springer, New York, (2010)
R. Neßelrath, and J. Alexandersson. Proceedings of the 6th IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems, Pasadena, CA, USA, page 46-51. (2009)
D. Sonntag, N. Reithinger, G. Herzog, and T. Becker. Spoken Dialogue Systems for Ambient Environments: Second International Workshop, IWSDS 2010, Gotemba, Shizuoka, Japan, volume 6392 of Lecture Notes in Artificial Intelligence, Springer, Berlin, (2010)
T. Pederson, C. Ardito, P. Bottoni, and M. Costabile. Advances in Conceptual Modeling -- Challenges and Opportunities: ER 2008 Workshops CMLSA, ECDM, FP-UML, M2AS, RIGiM, SeCoGIS, WISM, Barcelona, Spain, volume 5232 of Lecture Notes in Computer Science, (2008)