Combining 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 V Ivanov author Pierluigi Roberti author 2009-08 text Proceedings of the ACL-IJCNLP 2009 Software Demonstrations Gary Geunbae Lee editor Sabine Schulte im Walde editor Association for Computational Linguistics Suntec, Singapore conference publication varges-etal-2009-combining https://aclanthology.org/P09-4011/ 2009-08 41 44