Helen Hastie, Heriberto Cuayahuitl, Nina Dethlefs, Simon Keizer and Xingkun Liu. Extrinsic Versus Intrinsic Evaluation of Natural Language Generation for Spoken Dialogue Systems and Social Robotics. In Dialogs with Social Robots, LNEE vol. 427, Springer, Singapore, 2017.
Simon Keizer, Mary Ellen Foster, Zhuoran Wang, and Oliver Lemon. Machine Learning for Social Multi-Party Human-Robot Interaction. In ACM Transactions on Intelligent Interactive Systems, 4(3), 2014.
Paul Crook, Simon Keizer, Zhuoran Wang, Wenshuo Tang, and Oliver Lemon. Real User Evaluation of a POMDP Spoken Dialogue System using Automatic Belief Compression. In Computer Speech and Language, 28(4), 873-887, 2014.
Verena Rieser, Oliver Lemon, and Simon Keizer. Natural Language Generation as Planning under Uncertainty: Adaptive Information Presentation for Statistical Dialogue Systems. In IEEE/ACM Transactions on Audio, Speech, and Language Processing, 22(5), 979-994, 2014.
Simon Keizer, Stéphane Rossignol, Senthilkumar Chandramohan, and Olivier Pietquin. User Simulation in the Development of Statistical Spoken Dialogue Managers. In O. Lemon, O. Pietquin (eds.) Data Driven Methods for Adaptive Spoken Dialogue Systems, Springer, 2012.
Simon Keizer, Volha Petukhova, and Harry Bunt. Multidimensional Dialogue Management. In A. v.d. Bosch and G. Bouma (eds.) Interactive Multi-modal Question Answering, pages 57-88, Springer, 2011.
Steve Young, Milica Gašić, Simon Keizer, François Mairesse, Jost Schatzmann, Blaise Thomson and Kai Yu. The Hidden Information State Model: a practical framework for POMDP-based spoken dialogue management. In Computer Speech and Language, 24(2):150-174, April 2010. [CSL 2013 best paper award]
Simon Keizer and Rieks op den Akker. Dialogue act recognition under uncertainty using Bayesian networks. Natural Language Engineering, Vol.13, Issue 04, December 2006, pp. 287-316.
Simon Keizer. Reasoning under Uncertainty in Natural Language Dialogue using Bayesian Networks. PhD thesis, University of Twente, Department of Computer Science, Enschede, NL, September 2003.