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Paper Abstract and Keywords
Presentation 2009-07-09 15:15
[Encouragement Talk] Extension of Maximum Likelihood Algorithm for Fault Analysis of Large-scale Systems
Toshio Tonouchi (NEC) ICM2009-16
Abstract (in Japanese) (See Japanese page) 
(in English) We proposed, in previous paper, a new root cause analysis method in which fault propagation models are calculated with maximum likelihood analysis. In this method, however, learning of fault propagation patterns and analysis with the propagation model takes time with O(N2) where N is product of the number of components and faults. We propose, in this paper, a new maximum likelihood analysis algorithm. The algorithm assumes the probability of fault propagation among types of fault components and that of fault propagation among components are independent. In the proposed algorithm, the learning phase and the analysis phase take O(1) times..
Keyword (in Japanese) (See Japanese page) 
(in English) Fault Analysis / Derived Faillure / Event Correlation / Likelihood Analysis / Hidden Markov Model / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 120, ICM2009-16, pp. 19-24, July 2009.
Paper # ICM2009-16 
Date of Issue 2009-07-02 (ICM) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 ICM  
Conference Date 2009-07-09 - 2009-07-10 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) ICT System Management, etc. 
Paper Information
Registration To ICM 
Conference Code 2009-07-ICM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Extension of Maximum Likelihood Algorithm for Fault Analysis of Large-scale Systems 
Sub Title (in English)  
Keyword(1) Fault Analysis  
Keyword(2) Derived Faillure  
Keyword(3) Event Correlation  
Keyword(4) Likelihood Analysis  
Keyword(5) Hidden Markov Model  
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1st Author's Name Toshio Tonouchi  
1st Author's Affiliation NEC (NEC)
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Speaker Author-1 
Date Time 2009-07-09 15:15:00 
Presentation Time 25 minutes 
Registration for ICM 
Paper # ICM2009-16 
Volume (vol) vol.109 
Number (no) no.120 
Page pp.19-24 
#Pages
Date of Issue 2009-07-02 (ICM) 


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