Leveraging POMDPs Trained with User Simulations and Rule-based Dialogue Management in a Spoken Dialogue System Sebastian Varges author Silvia Quarteroni author Giuseppe Riccardi author Alexei Ivanov author Pierluigi Roberti author 2009-09 text Proceedings of the SIGDIAL 2009 Conference Patrick Healey editor Roberto Pieraccini editor Donna Byron editor Steve Young editor Matthew Purver editor Association for Computational Linguistics London, UK conference publication varges-etal-2009-leveraging https://aclanthology.org/W09-3924/ 2009-09 156 159