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Paper Abstract and Keywords
Presentation 2015-08-21 12:20
[Invited Talk] Taciturn search, loquacious search
Hideo Joho (Univ. Tsukuba) SP2015-53
Abstract (in Japanese) (See Japanese page) 
(in English) This talk refers to conventional text-based Information Retrieval (IR) as Taciturn Search, and to IR that considers speech in search space as Loquacious Search. This talk then aims to identify the characteristics of the former search paradigm and its limitations, and to discuss promising benefits of the latter search paradigm to overcome some of the limitations. First, I provide an overview of Information Searching Behaviour Models such as Broder’s Web Search Taxonomy, Work Task and Search Task, Dervin’s Sense Making Approach, and Belkin’s Anomalous State of Knowledge. Here, I discuss that existing IR systems often assume a user’s explicit querying behaviour as inputs, the reasons why it is difficult to express information needs accurately, and finally, that query formulation has significant impact on retrieval effectiveness. Second, I introduce and discuss Collaborative Search (search conducted by multiple users for a common informational goal) as a form of Loquacious Search. I show that collaborative search can reduce redundancy in a pool of relevant documents found, when compared to aggregation of single searchers, but there is a tradeoff between the cost of communication and retrieval effectiveness. Also, I show that most conversations occurred in collaborative search are about work task, and suggest that such conversations can be a great source for mining potential information needs of users. Based on these discussions, I finally present the framework of Search Engine That Listens (SETL) which is designed to leverage speed data in search space. I discuss SETL’s objectives, and enabling technologies and future research directions to achieve the proposed framework.
Keyword (in Japanese) (See Japanese page) 
(in English) Information Retrieval / Collaborative Search / Speech Data / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 184, SP2015-53, pp. 19-19, Aug. 2015.
Paper # SP2015-53 
Date of Issue 2015-08-14 (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 SP2015-53

Conference Information
Committee SP  
Conference Date 2015-08-21 - 2015-08-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Iwate Prefectural Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Spoken document processing, etc. 
Paper Information
Registration To SP 
Conference Code 2015-08-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Taciturn search, loquacious search 
Sub Title (in English)  
Keyword(1) Information Retrieval  
Keyword(2) Collaborative Search  
Keyword(3) Speech Data  
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1st Author's Name Hideo Joho  
1st Author's Affiliation University of Tsukuba (Univ. Tsukuba)
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Speaker Author-1 
Date Time 2015-08-21 12:20:00 
Presentation Time 60 minutes 
Registration for SP 
Paper # SP2015-53 
Volume (vol) vol.115 
Number (no) no.184 
Page p.19 
#Pages 1 
Date of Issue 2015-08-14 (SP) 

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