Statistical User Simulation for Spoken Dialogue Systems: What for, Which Data, Which Future? Olivier Pietquin author 2012-06 text NAACL-HLT Workshop on Future directions and needs in the Spoken Dialog Community: Tools and Data (SDCTD 2012) Maxine Eskenazi editor Alan Black editor David Traum editor Association for Computational Linguistics Montréal, Canada conference publication pietquin-2012-statistical https://aclanthology.org/W12-1805/ 2012-06 9 10