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SUMMARY:Applications of Discourse Structure for Spoken Dialogue Systems - 
 Diane Litmann\, University of Edinburgh
DTSTART:20080229T120000Z
DTEND:20080229T130000Z
UID:TALK10736@talks.cam.ac.uk
CONTACT:Johanna Geiss
DESCRIPTION:Due to the relatively simple structure of the dialogues that o
 ccur in the form-filling domains of typical spoken dialogue systems\, disc
 ourse structure has often seen limited application in such systems. In thi
 s research\,\nwe investigate whether and how discourse structure can be us
 ed to increase the performance of spoken dialogue systems in more complex 
 domains\, e.g. tutoring.\n\nIn our spoken dialogue research\, two types of
  applications of discourse structure are being pursued: on the system side
  and on the user side. On the system side\, we show how discourse structur
 e can be used to both increase the accuracy of performance prediction\, as
  well as to characterize aspects of user affect and speech recognition pro
 blems. On the user side\, our results show that presenting a graphical rep
 resentation of discourse structure increases user satisfaction on a variet
 y of dimensions.\n\nThis talk presents joint work with Mihai Rotaru\, Univ
 ersity of Pittsburgh.
LOCATION:SW01 Computer Laboratory
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