Simon Keizer

According to our database, Simon Keizer authored at least 52 papers between 2002 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Entity Resolution in Situated Dialog With Unimodal and Multimodal Transformers.

Alejandro Santorum Varela, Svetlana Stoyanchev, Simon Keizer, Rama Doddipatla, Kate M. Knill

IEEE ACM Trans. Audio Speech Lang. Process., 2024

WHISMA: A Speech-LLM to Perform Zero-shot Spoken Language Understanding.

Mohan Li, Cong-Thanh Do, Simon Keizer, Youmna Farag, Svetlana Stoyanchev, Rama Doddipatla

CoRR, 2024

2023

Evaluating Large Language Models for Document-grounded Response Generation in Information-Seeking Dialogues.

Norbert Braunschweiler, Rama Doddipatla, Simon Keizer, Svetlana Stoyanchev

CoRR, 2023

Adversarial learning of neural user simulators for dialogue policy optimisation.

Simon Keizer, Caroline Dockes, Norbert Braunschweiler, Svetlana Stoyanchev, Rama Doddipatla

CoRR, 2023

Enabling Semi-Structured Knowledge Access via a Question-Answering Module in Task-oriented Dialogue Systems.

Norbert Braunschweiler, Rama Sanand Doddipatla, Simon Keizer, Svetlana Stoyanchev

Proceedings of the 5th International Conference on Conversational User Interfaces, 2023

2022

Factors in Emotion Recognition With Deep Learning Models Using Speech and Text on Multiple Corpora.

Norbert Braunschweiler, Rama Doddipatla, Simon Keizer, Svetlana Stoyanchev

IEEE Signal Process. Lett., 2022

Combining Structured and Unstructured Knowledge in an Interactive Search Dialogue System.

Svetlana Stoyanchev, Suraj Pandey, Simon Keizer, Norbert Braunschweiler, Rama Sanand Doddipatla

Proceedings of the 23rd Annual Meeting of the Special Interest Group on Discourse and Dialogue, 2022

2021

Action State Update Approach to Dialogue Management.

Svetlana Stoyanchev, Simon Keizer, Rama Doddipatla

Proceedings of the IEEE International Conference on Acoustics, 2021

Dialogue Strategy Adaptation to New Action Sets Using Multi-Dimensional Modelling.

Simon Keizer, Norbert Braunschweiler, Svetlana Stoyanchev, Rama Doddipatla

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 2021

A Study on Cross-Corpus Speech Emotion Recognition and Data Augmentation.

Norbert Braunschweiler, Rama Doddipatla, Simon Keizer, Svetlana Stoyanchev

Proceedings of the IEEE Automatic Speech Recognition and Understanding Workshop, 2021

2020

The ISO Standard for Dialogue Act Annotation, Second Edition.

Harry Bunt, Volha Petukhova, Emer Gilmartin, Catherine Pelachaud, Alex Chengyu Fang, Simon Keizer, Laurent Prévot

Proceedings of The 12th Language Resources and Evaluation Conference, 2020

2019

User Evaluation of a Multi-dimensional Statistical Dialogue System.

Simon Keizer, Ondrej Dusek, Xingkun Liu, Verena Rieser

Proceedings of the 20th Annual SIGdial Meeting on Discourse and Dialogue, 2019

2018

Towards Learning Transferable Conversational Skills using Multi-dimensional Dialogue Modelling.

Simon Keizer, Verena Rieser

CoRR, 2018

2017

Evaluating Persuasion Strategies and Deep Reinforcement Learning methods for Negotiation Dialogue agents.

Simon Keizer, Markus Guhe, Heriberto Cuayáhuitl, Ioannis Efstathiou, Klaus-Peter Engelbrecht, Mihai Sorin Dobre, Alex Lascarides, Oliver Lemon

Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics, 2017

2016

Extrinsic Versus Intrinsic Evaluation of Natural Language Generation for Spoken Dialogue Systems and Social Robotics.

Helen F. Hastie, Heriberto Cuayáhuitl, Nina Dethlefs, Simon Keizer, Xingkun Liu

Proceedings of the Dialogues with Social Robots, 2016

2015

Strategic Dialogue Management via Deep Reinforcement Learning.

Heriberto Cuayáhuitl, Simon Keizer, Oliver Lemon

CoRR, 2015

Learning to Trade in Strategic Board Games.

Heriberto Cuayáhuitl, Simon Keizer, Oliver Lemon

Proceedings of the Computer Games - Fourth Workshop on Computer Games, 2015

Learning Trading Negotiations Using Manually and Automatically Labelled Data.

Heriberto Cuayáhuitl, Simon Keizer, Oliver Lemon

Proceedings of the 27th IEEE International Conference on Tools with Artificial Intelligence, 2015

2014

Machine Learning for Social Multiparty Human-Robot Interaction.

Simon Keizer, Mary Ellen Foster, Zhuoran Wang, Oliver Lemon

ACM Trans. Interact. Intell. Syst., 2014

Natural Language Generation as Incremental Planning Under Uncertainty: Adaptive Information Presentation for Statistical Dialogue Systems.

Verena Rieser, Oliver Lemon, Simon Keizer

IEEE ACM Trans. Audio Speech Lang. Process., 2014

Real user evaluation of a POMDP spoken dialogue system using automatic belief compression.

Paul A. Crook, Simon Keizer, Zhuoran Wang, Wenshuo Tang, Oliver Lemon

Comput. Speech Lang., 2014

Evaluating a social multi-user interaction model using a Nao robot.

Simon Keizer, Pantelis Kastoris, Mary Ellen Foster, Amol A. Deshmukh, Oliver Lemon

Proceedings of the 23rd IEEE International Symposium on Robot and Human Interactive Communication, 2014

Handling uncertain input in multi-user human-robot interaction.

Simon Keizer, Mary Ellen Foster, Andre Gaschler, Manuel Giuliani, Amy Isard, Oliver Lemon

Proceedings of the 23rd IEEE International Symposium on Robot and Human Interactive Communication, 2014

Towards action selection under uncertainty for a socially aware robot bartender.

Mary Ellen Foster, Simon Keizer, Oliver Lemon

Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction, 2014

2013

Training and evaluation of an MDP model for social multi-user human-robot interaction.

Simon Keizer, Mary Ellen Foster, Oliver Lemon, Andre Gaschler, Manuel Giuliani

Proceedings of the SIGDIAL 2013 Conference, 2013

2011

Multidimensional Dialogue Management.

Simon Keizer, Harry Bunt, Volha Petukhova

Proceedings of the Interactive Multi-modal Question-Answering, 2011

Spoken Dialog Challenge 2010: Comparison of Live and Control Test Results.

Alan W. Black, Susanne Burger, Alistair Conkie, Helen Wright Hastie, Simon Keizer, Oliver Lemon, Nicolas Merigaud, Gabriel Parent, Gabriel Schubiner, Blaise Thomson, Jason D. Williams, Kai Yu, Steve J. Young, Maxine Eskénazi

Proceedings of the SIGDIAL 2011 Conference, 2011

Real User Evaluation of Spoken Dialogue Systems Using Amazon Mechanical Turk.

Filip Jurcícek, Simon Keizer, Milica Gasic, François Mairesse, Blaise Thomson, Kai Yu, Steve J. Young

Proceedings of the 12th Annual Conference of the International Speech Communication Association, 2011

Adaptive Information Presentation for Spoken Dialogue Systems: Evaluation with real users.

Verena Rieser, Simon Keizer, Oliver Lemon, Xingkun Liu

Proceedings of the ENLG 2011, 2011

2010

The Hidden Information State model: A practical framework for POMDP-based spoken dialogue management.

Steve J. Young, Milica Gasic, Simon Keizer, François Mairesse, Jost Schatzmann, Blaise Thomson, Kai Yu

Comput. Speech Lang., 2010

Bayesian dialogue system for the Let's Go Spoken Dialogue Challenge.

Blaise Thomson, Kai Yu, Simon Keizer, Milica Gasic, Filip Jurcícek, François Mairesse, Steve J. Young

Proceedings of the 2010 IEEE Spoken Language Technology Workshop, 2010

Parameter learning for POMDP spoken dialogue models.

Blaise Thomson, Filip Jurcícek, Milica Gasic, Simon Keizer, François Mairesse, Kai Yu, Steve J. Young

Proceedings of the 2010 IEEE Spoken Language Technology Workshop, 2010

Parameter estimation for agenda-based user simulation.

Simon Keizer, Milica Gasic, Filip Jurcícek, François Mairesse, Blaise Thomson, Kai Yu, Steve J. Young

Proceedings of the SIGDIAL 2010 Conference, 2010

Gaussian Processes for Fast Policy Optimisation of POMDP-based Dialogue Managers.

Milica Gasic, Filip Jurcícek, Simon Keizer, François Mairesse, Blaise Thomson, Kai Yu, Steve J. Young

Proceedings of the SIGDIAL 2010 Conference, 2010

Natural belief-critic: a reinforcement algorithm for parameter estimation in statistical spoken dialogue systems.

Filip Jurcícek, Blaise Thomson, Simon Keizer, François Mairesse, Milica Gasic, Kai Yu, Steve J. Young

Proceedings of the 11th Annual Conference of the International Speech Communication Association, 2010

Phrase-Based Statistical Language Generation Using Graphical Models and Active Learning.

François Mairesse, Milica Gasic, Filip Jurcícek, Simon Keizer, Blaise Thomson, Kai Yu, Steve J. Young

Proceedings of the ACL 2010, 2010

2009

k-Nearest Neighbor Monte-Carlo Control Algorithm for POMDP-Based Dialogue Systems.

Fabrice Lefèvre, Milica Gasic, Filip Jurcícek, Simon Keizer, François Mairesse, Blaise Thomson, Kai Yu, Steve J. Young

Proceedings of the SIGDIAL 2009 Conference, 2009

Transformation-based learning for semantic parsing.

Filip Jurcícek, Milica Gasic, Simon Keizer, François Mairesse, Blaise Thomson, Kai Yu, Steve J. Young

Proceedings of the 10th Annual Conference of the International Speech Communication Association, 2009

Probablistic modelling of F0 in unvoiced regions in HMM based speech synthesis.

Kai Yu, Tomoki Toda, Milica Gasic, Simon Keizer, François Mairesse, Blaise Thomson, Steve J. Young

Proceedings of the IEEE International Conference on Acoustics, 2009

Spoken language understanding from unaligned data using discriminative classification models.

François Mairesse, Milica Gasic, Filip Jurcícek, Simon Keizer, Blaise Thomson, Kai Yu, Steve J. Young

Proceedings of the IEEE International Conference on Acoustics, 2009

Back-off action selection in summary space-based POMDP dialogue systems.

Milica Gasic, Fabrice Lefèvre, Filip Jurcícek, Simon Keizer, François Mairesse, Blaise Thomson, Kai Yu, Steve J. Young

Proceedings of the 2009 IEEE Workshop on Automatic Speech Recognition & Understanding, 2009

2008

Modelling user behaviour in the HIS-POMDP dialogue manager.

Simon Keizer, Milica Gasic, François Mairesse, Blaise Thomson, Kai Yu, Steve J. Young

Proceedings of the 2008 IEEE Spoken Language Technology Workshop, 2008

Training and Evaluation of the HIS POMDP Dialogue System in Noise.

Milica Gasic, Simon Keizer, François Mairesse, Jost Schatzmann, Blaise Thomson, Kai Yu, Steve J. Young

Proceedings of the SIGDIAL 2008 Workshop, 2008

Evaluating semantic-level confidence scores with multiple hypotheses.

Blaise Thomson, Kai Yu, Milica Gasic, Simon Keizer, François Mairesse, Jost Schatzmann, Steve J. Young

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

User study of the Bayesian update of dialogue state approach to dialogue management.

Blaise Thomson, Milica Gasic, Simon Keizer, François Mairesse, Jost Schatzmann, Kai Yu, Steve J. Young

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

2007

Dialogue act recognition under uncertainty using Bayesian networks.

Simon Keizer, Rieks op den Akker

Nat. Lang. Eng., 2007

Evaluating Combinations of Dialogue Acts for Generation.

Simon Keizer, Harry Bunt

Proceedings of the 8th SIGdial Workshop on Discourse and Dialogue, 2007

An Empirically Based Computational Model of Grounding in Dialogue.

Harry Bunt, Roser Morante, Simon Keizer

Proceedings of the 8th SIGdial Workshop on Discourse and Dialogue, 2007

Dialogue Simulation and Context Dynamics for Dialogue Management.

Simon Keizer, Roser Morante

Proceedings of the 16th Nordic Conference of Computational Linguistics, 2007

2006

Multidimensional Dialogue Management.

Simon Keizer, Harry Bunt

Proceedings of the SIGDIAL 2006 Workshop, 2006

2005

From question answering to spoken dialogue: towards an information search assistant for interactive multimodal information extraction.

Rieks op den Akker, Harry Bunt, Simon Keizer, Boris W. van Schooten

Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

2002

Dialogue Act Recognition with Bayesian Networks for Dutch Dialogues.

Simon Keizer, Rieks op den Akker, Anton Nijholt

Proceedings of the SIGDIAL 2002 Workshop, 2002