Language Technologies Institute
Flexible Dialog Management
for In-vehicle Dialog Systems
Jeongwoo Ko
jko@cs.cmu.edu
Outline
Introduction
Approach in CAMMIA
Dialog Management Framework
System Architecture
ScenarioTemplate/ScenarioXML
ScenarioXML Development Kit
Pilot Systems & Experiments
Current Research Focus
Future Work
Introduction of CAMMIA Project
(Conversational Agent for Multilingual Mobile Information Access)
Sample Dialog
S1: How may I help you
U1: I want to go to Carnegie Mellon University.
S2: Do you want to go to Carnegie Mellon University
U2: Yes.
S3: The distance to the destination is 100 miles.
It takes about 2 hours.
U3: I would like to know weather.
S4: Please tell me the area and the date.
U4: Pittsburgh
(Navigation System sends the next direction to the dialog manager)
S5: To go to Carnegie Mellon University, please make a left turn here.
Please tell me the date for Pittsburgh.
U5: Tomorrow
S6: The weather for Pittsburgh tomorrow will be fine.
Some Related Research (Speech Interface)
Pellom et al, HLT 2001 (CU-Move)
Route planning and navigation
Noise suppression front-end and back-end navigation information retrieval
Download driving instructions from the Internet after route planning
User can ask route information during travel
(ex. What's my next turn )
Coletti et al, IEEE 2003
Hotel retrieval/reservation, POI retrieval, Simple Route Query

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