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Paper Abstract and Keywords
Presentation 2008-12-10 11:45
Controlling thought-evoking dialogue using POMDP
Yasuhiro Minami, Minako Sawaki, Ryuichiro Higashinaka, Kohji Dohsaka (NTT) NLC2008-40 SP2008-95
Abstract (in Japanese) (See Japanese page) 
(in English) We are researching thought-evoking dialogue systems where conversation agents appropriately affect users and evoke their voluntary thoughts to motivate human communication. This paper proposes a thought-evoking quiz dialogue system using the Partially Observed Markov Decision Process (POMDP) that can treat such uncertain information as paralanguage information. As uncertain information, we employ the user's level of difficulty in handling quiz hints. Another person detects this difficulty level by observing the user's facial and voice information. The system controls the user’s difficulty levels (easy, neutral, and difficult) for the hints by skipping hints based on the POMDP policy that was learned by reinforcement training. This paper evaluates the proposed system in simulation experiments.
Keyword (in Japanese) (See Japanese page) 
(in English) Thought-evoking dialogue / POMDP / Spoken dialogue system / / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 338, SP2008-95, pp. 97-102, Dec. 2008.
Paper # SP2008-95 
Date of Issue 2008-12-02 (NLC, SP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF NLC2008-40 SP2008-95

Conference Information
Committee SP NLC  
Conference Date 2008-12-09 - 2008-12-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Waseda Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SP 
Conference Code 2008-12-SP-NLC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Controlling thought-evoking dialogue using POMDP 
Sub Title (in English)  
Keyword(1) Thought-evoking dialogue  
Keyword(2) POMDP  
Keyword(3) Spoken dialogue system  
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1st Author's Name Yasuhiro Minami  
1st Author's Affiliation NTT Corporation (NTT)
2nd Author's Name Minako Sawaki  
2nd Author's Affiliation NTT Corporation (NTT)
3rd Author's Name Ryuichiro Higashinaka  
3rd Author's Affiliation NTT Corporation (NTT)
4th Author's Name Kohji Dohsaka  
4th Author's Affiliation NTT Corporation (NTT)
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Speaker Author-1 
Date Time 2008-12-10 11:45:00 
Presentation Time 25 minutes 
Registration for SP 
Paper # NLC2008-40, SP2008-95 
Volume (vol) vol.108 
Number (no) no.337(NLC), no.338(SP) 
Page pp.97-102 
#Pages 6 
Date of Issue 2008-12-02 (NLC, SP) 

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