Matching User Questions to Domain Speech Acts for a Tactical Questioning Dialogue System Ron Artstein author Sudeep Gandhe author Michael Rushforth author David Traum author 2009-06 text Proceedings of the 13th Workshop on the Semantics and Pragmatics of Dialogue - Full Papers SEMDIAL Stockholm, Sweden conference publication artstein-etal-2009-matching http://semdial.org/anthology/Z09-Artstein_semdial_0012.pdf 2009-06