Simon Keizer, Ondřej Dušek, Xingkun Liu, and Verena Rieser. User Evaluation of a Multi-dimensional Statistical Dialogue System. In Proc. 20th Annual SIGdial Meeting on Discourse and Dialogue, Stockholm, Swe, Sept 2019. arXiv:1909.02965 [cs.CL cs.AI].
Harry Bunt, E. Gilmartin, Simon Keizer, Catherine Pelachaud, Volha Petukhova, Laurent Prévot, and Mariët Theune. Downward Compatible Revision of Dialogue Annotation. ISA-14: Fourteenth Joint ACL - ISO Workshop on Interoperable Semantic Annotation, Santa Fe, NM, August 2018.
Simon Keizer and Verena Rieser. Towards Learning Transferable Conversational Skills using Multi-dimensional Dialogue Modelling. arXiv:1804.00146 [cs.CL], March 2018 (extended version of SemDial 2017 short paper).
Simon Keizer and Verena Rieser. Towards Learning Transferable Conversational Skills using Multi-dimensional Dialogue Modelling. [extended version on arXiv] In Proc. 21st Workshop on the Semantics and Pragmatics of Dialogue (SemDial/SaarDial), Saarbruecken, Ger, Aug 2017.
Simon Keizer, Markus Guhe, Heriberto Cuayahuitl, Ioannis Efstathiou, Klaus-Peter Engelbrecht, Mihai Dobre, Alex Lascarides, and Oliver Lemon. Evaluating Persuasion Strategies and Deep Reinforcement Learning methods for Negotiation Dialogue agents. In Proc. 9th Conference of the European chapter of the Association for Computational Linguistics (EACL), Valencia, Spa, Apr 2017.
Simon Keizer and Verena Rieser. The MaDrIgAL project: Multi-Dimensional Interaction Management and Adaptive Learning. In Proc. 1st International Workshop on Domain Adaptation for Dialog Agents (DADA), ECML-PKDD workshop, Riva del Garda, Ita, Sept 2016.
Helen Hastie, Heriberto Cuayahuitl, Nina Dethlefs, Simon Keizer, and Xingkun Liu. Why bother? Is evaluation of NLG in an end-to-end Spoken Dialogue System worth it? In Proceedings of IWSDS, Saariselkä, Finland, January 2016.
Heriberto Cuayahuitl, Simon Keizer, and Oliver Lemon. Strategic Dialogue Management via Deep Reinforcement Learning, NIPS workshop on Deep Reinforcement Learning, Montreal, Can, 2015. [arXiv]
Heriberto Cuayahuitl, Simon Keizer, and Oliver Lemon. Learning Trading Negotiations Using Manually and Automatically Labelled Data. In Proceedings IEEE International Conference on Tools with Artificial Intelligence (ICTAI), Vietri Sul Mare, Ita, 2015.
Simon Keizer, Heriberto Cuayahuitl, and Oliver Lemon. Learning Trade Negotiation Policies in Strategic Conversation. In Proceedings SemDial/goDIAL, Gothenburg, Swe, August, 2015.
Heriberto Cuayahuitl, Simon Keizer, and Oliver Lemon. Learning to Trade in Strategic Board Games. In Proceedings Computer Games Workshop at IJCAI 2015, Buenos Aires, Arg, July 2015.
Simon Keizer, Mary Ellen Foster, Andre Gaschler, Manuel Giuliani, Amy Isard, and Oliver Lemon. Handling uncertain input in multi-user human-robot interaction. In Proceedings of the 23rd IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN), Edinburgh, UK, August 2014.
Simon Keizer, Pantelis Kastoris, Mary Ellen Foster, Amol Deshmukh, and Oliver Lemon. Evaluating a social multi-user interaction model using a Nao robot. In Proceedings of the 23rd IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN), Edinburgh, UK, August 2014.
Mary Ellen Foster, Simon Keizer, and Oliver Lemon. Towards action selection under uncertainty for a socially aware robot bartender. In Proceedings ACM/IEEE International Conference on Human-Robot Interaction (HRI), Bielefeld, Germany, March 2014.
Simon Keizer, Pantelis Kastoris, Mary Ellen Foster, Amol Deshmukh, and Oliver Lemon. User evaluation of a multi-user social interaction model implemented on a NAO robot. In Proceedings ICSR 2013 Workshop 'Robots in Public Spaces', Bristol, UK, October 2013.
Simon Keizer, Mary Ellen Foster, Oliver Lemon, Andre Gaschler, and Manuel Giuliani. Training and evaluation of an MDP model for social multi-user human-robot interaction. In Proceedings of SIGdial. Metz, France, August 2013.
Verena Rieser, Oliver Lemon, and Simon Keizer. Opponent Modelling for Optimising Strategic Dialogue. In Proceedings of SEMdial. Paris, France, September 2012.
Nicholas Asher, Alex Lascarides, Oliver Lemon, Markus Guhe, Verena Rieser, Philippe Muller, Stergos Afantenos, Farah Benamara, Laure Vieu, Pascal Denis, Soumya Paul, Simon Keizer, and Cedric Dégremont. Modelling Strategic Conversation: the STAC project. In Proceedings of SEMdial. Paris, France, September 2012.
Stergos Afantenos, Nicholas Asher, Farah Benamara, Anais Cadilhac, Cedric Dégremont, Pascal Denis, Markus Guhe, Simon Keizer, Alex Lascarides, Oliver Lemon, Philippe Muller, Soumya Paul, Vladimir Popescu, Verena Rieser, and Laure Vieu. Modelling Strategic Conversation: model, annotation design and corpus. In Proceedings of SEMdial. Paris, France, September 2012.
Mary Ellen Foster, Simon Keizer, Zhuoran Wang, and Oliver Lemon. Machine Learning of Social States and Skills for Multi-Party Human-Robot Interaction. In Proceedings of the ECAI Workshop on Machine Learning for Interactive Systems (MLIS): Bridging the Gap Between Language, Motor Control and Vision. Montpellier, France, August, 2012.
Verena Rieser, Simon Keizer, Xingkun Liu, and Oliver Lemon. Adaptive Information Presentation for Spoken Dialogue Systems: Evaluation with human subjects. In Proceedings of ENLG, Nancy, September 2011.
Filip Jurčíček, Simon Keizer, Milica Gašić, François Mairesse, Blaise Thomson, Kai Yu, and Steve Young. Real user evaluation of spoken dialogue systems using Amazon Mechanical Turk. In Proceedings of Interspeech, Florence, Italy, August 2011.
Alan W Black, Susanne Burger, Alistair Conkie, Helen Hastie, Simon Keizer, Oliver Lemon, Nicolas Merigaud, Gabriel Parent, Gabriel Schubiner, Blaise Thomson, Jason D. Williams, Kai Yu, Steve Young, and Maxine Eskenazi. Spoken Dialogue Challenge 2010: Comparison of Live and Control Test Results. In Proceedings of SIGdial, Portland, OR, June 2011.
Blaise Thomson, Filip Jurčíček, Milica Gašić, Simon Keizer, François Mairesse, Kai Yu, and Steve Young (2010). Parameter learning for POMDP spoken dialogue models. In Proceedings of SLT, Berkeley, CA, December 2010.
Blaise Thomson, K. Yu, Simon Keizer, M. Gasic, Filip Jurčíček, François Mairesse, and Steve Young (2010). Bayesian Update of State for the Let's Go Spoken Dialogue Challenge. In Proceedings of SLT, Berkeley, CA, December 2010.
Filip Jurčíček, Blaise Thomson, Simon Keizer, Milica Gašić, François Mairesse, Kai Yu and Steve Young. Natural Belief-Critic: a reinforcement algorithm for parameter estimation in statistical spoken dialogue systems. In Proceedings of Interspeech, Makuhari, Japan, September 2010.
Simon Keizer, Milica Gašić, Filip Jurčíček, François Mairesse, Blaise Thomson, Kai Yu, and Steve Young. Parameter estimation for agenda-based user simulation. In Proceedings of SIGdial, Tokyo, Japan, September 2010.
Milica Gašić, Filip Jurčíček, Simon Keizer, François Mairesse, Blaise Thomson, Kai Yu, and Steve Young. Gaussian Processes for Fast Policy Optimisation of POMDP-based Dialogue Managers. In Proceedings of SIGdial, Tokyo, Japan, September 2010.
François Mairesse, Milica Gašić, Filip Jurčíček, Simon Keizer, Blaise Thomson, Kai Yu, and Steve Young. Phrase-based Statistical Language Generation using Graphical Models and Active Learning. In Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics (ACL), Uppsala, July 2010.
Milica Gašić, Fabrice Lefèvre, Filip Jurčíček, Simon Keizer, François Mairesse, Blaise Thomson, Kai Yu, and Steve Young. Back-off Action Selection in Summary Space-Based POMDP dialogue systems. In Proceedings of SIGdial, London, UK, September 2009.
Fabrice Lefévre, Milica Gašić, Filip Jurčíček, Simon Keizer, François Mairesse, Blaise Thomson, Kai Yu, and Steve Young. k-nearest neighbour Monte-Carlo control algorithm for POMDP-based dialogue systems. In Proceedings of SIGdial, London, UK, September 2009.
Filip Jurčíček, Milica Gašić, Simon Keizer, François Mairesse, Blaise Thomson, Kai Yu, and Steve Young. Transformation-based Learning for Semantic Parsing. In Proceedings of Interspeech, Brighton, UK, September 2009.
François Mairesse, Milica Gašić, Filip Jurčíček, Simon Keizer, Blaise Thomson, Kai Yu, and Steve Young. Spoken language understanding from unaligned data using discriminative classification models. In Proceedings of ICASSP, Taipei, Taiwan, April 2009.
Kai Yu, Tomoki Toda, Milica Gašić, Simon Keizer, François Mairesse, Blaise Thomson, and Steve Young. Probabilistic modelling of F0 in unvoiced regions in HMM based speech synthesis. In Proceedings of ICASSP, Taipei, Taiwan, April 2009.
Simon Keizer, Milica Gašić, François Mairesse, Blaise Thomson, Kai Yu, and Steve Young. Modelling user behaviour in the HIS-POMDP dialogue manager. In Proceedings of SLT, Goa, India, December 2008.
Blaise Thomson, Kai Yu, Milica Gašić, Simon Keizer, François Mairesse, Jost Schatzmann, and Steve Young. Evaluating semantic-level confidence scores with multiple hypotheses. In Proceedings of Interspeech, Brisbane, Australia, September 2008.
Blaise Thomson, Milica Gašić, Simon Keizer, François Mairesse, Jost Schatzmann, Kai Yu, and Steve Young. User study of the Bayesian Update of Dialogue State approach to dialogue management. In Proceedings of Interspeech, Brisbane, Australia, September 2008.
Milica Gašić, Simon Keizer, François Mairesse, Jost Schatzmann, Blaise Thomson, Kai Yu, and Steve Young. Training and Evaluation of the HIS POMDP Dialogue System in Noise. In Proceedings of the 9th SIGdial Workshop on Discourse and Dialogue, pages 112–119, Columbus, Ohio, June 2008.
Simon Keizer and Harry Bunt. Evaluating combinations of dialogue acts for generation. In Proceedings of the 8th SIGdial Workshop on Discourse and Dialogue, pages 158-165, Antwerp, Belgium, September 2007.
Harry Bunt, Roser Morante, and Simon Keizer. An empirically based computational model of grounding in dialogue. In Proceedings of the 8th SIGdial Workshop on Discourse and Dialogue, pages 283--290, Antwerp, Belgium, September 2007.
Roser Morante, Simon Keizer, and Harry Bunt. A dialogue act based model for context updating. In Proceedings of the 2007 Workshop on the Semantics and Pragmatics of Dialogue (DECALOG), pages 9-16, Rovereto, Italy, May 2007.
Simon Keizer and Roser Morante. Dialogue simulation and context dynamics for dialogue management. In Proceedings of the 16th Nordic Conference of Computational Linguistics (NODALIDA'07), pages 310-317, Tartu, Estonia, May 2007.
Simon Keizer and Roser Morante. Context specification and update mechanisms for dialogue management. In Proceedings of the 18th BeNeLux Conference on Artificial Intelligence (BNAIC'06), pages 181-188, Namur, Belgium, October 2006.
Simon Keizer and Roser Morante. DISCUS: a dialogue simulation and context update system. In Proceedings of the 10th Workshop on the Semantics and Pragmatics of Dialogue (BRANDIAL), pages 169-170, Potsdam, Germany, September 2006.
Simon Keizer and Harry Bunt. Multi-dimensional dialogue management. In Proceedings 7th SIGdial Workshop on Discourse and Dialogue, pages 37-45, Sydney, Australia, July 15-16 2006.
Simon Keizer and Roser Morante. Dialogue acts as context operators constraining the generation of dialogical discourse. In Proceedings of the Workshop on Constraints in Discourse, pages 117-124, Maynooth, Ireland, July 7-9 2006.
Harry Bunt and Simon Keizer. Dialogue semantics links annotation to context representation. In Joint TALK/AMI Workshop on Standards for Multimodal Dialogue Context, Edinburgh, December 2005.
Rieks op den Akker, Harry Bunt, Simon Keizer, and Boris van Schooten. From question answering to spoken dialogue: Towards an information search assistant for interactive multimodal information extraction. In Proceedings of the 9th European Conference on Speech Communication and Technology (Interspeech), pages 2793-2796, Lisbon, Portugal, 2005.
Simon Keizer, Rieks op den Akker, and Anton Nijholt. Dialogue act recognition with Bayesian networks for Dutch dialogues. In Proceedings 3rd SIGdial Workshop on Discourse and Dialogue, pages 88-94, Philadelphia, PA, July 2002.
Simon Keizer. Dialogue act modelling using Bayesian networks. In Proceedings of the Sixth ESSLLI Student Session, pages 143-153, Helsinki, August 2001.
Simon Keizer. A Bayesian approach to dialogue act classification. In Proceedings of the 5th Workshop on Formal Semantics and Pragmatics of Dialogue (BI-DIALOG), pages 210-218, Bielefeld, Germany, June 2001.