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Paper Abstract and Keywords
Presentation 2011-11-21 11:00
A Working Pattern Extraction Method From Low Level PC Usage Logs
Ryohei Saito (HH), Tetsuji Kuboyama (Gakushuin Univ.), Yuta Yamakawa (HH), Hiroshi Yasuda (Tokyo Denki Univ.) AI2011-19
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a novel method for analyzing PC usage logs aiming to nd working patterns and
behaviors of employees at work. The logs we analyze are recorded at individual PCs for employees in a company,
and include active window transitions. our method consists of two levels of abstraction: (1) task summarization by
HMM; (2) user behavior comparison by kernel Principle Component Analysis based on graph kernel. The experi-
mental results show that our method reveals implicit user behavior at a high level of abstraction, and allows us to
understand individual user behavior among groups, and over time.
Keyword (in Japanese) (See Japanese page) 
(in English) Log Analysis / Pattern Extraction / Data Mining / Clustering / Graph Kernel / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 310, AI2011-19, pp. 13-18, Nov. 2011.
Paper # AI2011-19 
Date of Issue 2011-11-14 (AI) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF AI2011-19

Conference Information
Committee AI  
Conference Date 2011-11-21 - 2011-11-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To AI 
Conference Code 2011-11-AI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Working Pattern Extraction Method From Low Level PC Usage Logs 
Sub Title (in English)  
Keyword(1) Log Analysis  
Keyword(2) Pattern Extraction  
Keyword(3) Data Mining  
Keyword(4) Clustering  
Keyword(5) Graph Kernel  
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Keyword(7)  
Keyword(8)  
1st Author's Name Ryohei Saito  
1st Author's Affiliation HummingHeads,Inc. (HH)
2nd Author's Name Tetsuji Kuboyama  
2nd Author's Affiliation Gakushuin University (Gakushuin Univ.)
3rd Author's Name Yuta Yamakawa  
3rd Author's Affiliation HummingHeads,Inc. (HH)
4th Author's Name Hiroshi Yasuda  
4th Author's Affiliation Tokyo Denki University (Tokyo Denki Univ.)
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Speaker
Date Time 2011-11-21 11:00:00 
Presentation Time 30 
Registration for AI 
Paper # IEICE-AI2011-19 
Volume (vol) IEICE-111 
Number (no) no.310 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-AI-2011-11-14 


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