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Paper Abstract and Keywords
Presentation 2009-07-28 10:00
Efficient Incremental Top-k Keyword Search in Relational Databases
Yanwei Xu, Yoshiharu Ishikawa (Nagoya Univ.) DE2009-1
Abstract (in Japanese) (See Japanese page) 
(in English) Keyword search in relational databases has attracted a lot of research interests in recent yeas. It is widely realized that supporting keyword search in relational databases will provide a large range of high quality services. As involving a large number of join operations between relations when answering a keyword query, efficiency issue is one of the most important facts to consider when developing such a keyword search system, especially when the database is updating frequently at the same time. In this paper, we study how to efficiently answer keyword search in relational databases in an incremental way. At the end of the query evaluation, a snapshot of the process is taken and stored. The snapshot can be used to restart the process after the database is updated. Our method can be used to settle the problem of answering continual keyword search in a database that is updated frequently.
Keyword (in Japanese) (See Japanese page) 
(in English) relational databases / keyword search / continual queries / incremental maintenance / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 153, DE2009-1, pp. 1-6, July 2009.
Paper # DE2009-1 
Date of Issue 2009-07-21 (DE) 
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)
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Conference Information
Committee DE  
Conference Date 2009-07-28 - 2009-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Kobe fashion mart 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Ubiquitous, sensor environments, and database system, etc. 
Paper Information
Registration To DE 
Conference Code 2009-07-DE 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Efficient Incremental Top-k Keyword Search in Relational Databases 
Sub Title (in English)  
Keyword(1) relational databases  
Keyword(2) keyword search  
Keyword(3) continual queries  
Keyword(4) incremental maintenance  
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1st Author's Name Yanwei Xu  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Yoshiharu Ishikawa  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2009-07-28 10:00:00 
Presentation Time 30 minutes 
Registration for DE 
Paper # DE2009-1 
Volume (vol) vol.109 
Number (no) no.153 
Page pp.1-6 
#Pages
Date of Issue 2009-07-21 (DE) 


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