Directions for Research on Spoken Dialog Systems, Broadly Defined Nigel G Ward 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 ward-2012-directions https://aclanthology.org/W12-1802/ 2012-06 3 4