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Paper Abstract and Keywords
Presentation 2008-06-16 11:00
A Context Tree Weighting Algorithm with an Adaptive Window
Tomohiro I, Kohei Hatano, Hideo Bannai, Masayuki Takeda (Kyushu Univ.) COMP2008-17
Abstract (in Japanese) (See Japanese page) 
(in English) The Context Tree Weighting Method (CTW) is one of the most effective algorithm in the area of universal data compression. On the other hand, when we apply CTW to the non-stationary source, its compression performance descends due to the harmful effect of past data. The Finite Window Context Tree Weighting Method (FWCTW) avoids this problem by introducing a finite window and discarding stale data. But FWCTW has a problem that we must decide the window size, which is difficult to determine appropriately in advance. In this paper, we propose a method detecting change of the source and adapting the window size automatically.
Keyword (in Japanese) (See Japanese page) 
(in English) Context tree weighting method / non-stationary source / adaptive window / lossless data compression / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 89, COMP2008-17, pp. 15-22, June 2008.
Paper # COMP2008-17 
Date of Issue 2008-06-09 (COMP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 COMP  
Conference Date 2008-06-16 - 2008-06-16 
Place (in Japanese) (See Japanese page) 
Place (in English) JAIST 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To COMP 
Conference Code 2008-06-COMP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Context Tree Weighting Algorithm with an Adaptive Window 
Sub Title (in English)  
Keyword(1) Context tree weighting method  
Keyword(2) non-stationary source  
Keyword(3) adaptive window  
Keyword(4) lossless data compression  
1st Author's Name Tomohiro I  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Kohei Hatano  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Hideo Bannai  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
4th Author's Name Masayuki Takeda  
4th Author's Affiliation Kyushu University (Kyushu Univ.)
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Date Time 2008-06-16 11:00:00 
Presentation Time 35 
Registration for COMP 
Paper # IEICE-COMP2008-17 
Volume (vol) IEICE-108 
Number (no) no.89 
Page pp.15-22 
#Pages IEICE-8 
Date of Issue IEICE-COMP-2008-06-09 

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