David Traum author Antonio Roque author Anton Leuski author Panayiotis Georgiou author Jillian Gerten author Bilyana Martinovski author Shrikanth Narayanan author Susan Robinson author Ashish Vaswani author 2007-09 text Harry Bunt editor Simon Keizer editor Tim Paek editor Association for Computational Linguistics Antwerp, Belgium conference publication traum-etal-2007-hassan 10.18653/v1/2007.sigdial-1.15 https://aclanthology.org/2007.sigdial-1.15/ 2007-09 71 74