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Paper Abstract and Keywords
Presentation 2007-07-02 13:55
A user context estimation method in the ubiquitous environment using acceleration sensor and RFID
Yoshiro Saruta, Takashi Tomii (Yokohama National Univ.) DE2007-29
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, many researches about ubiquitous environment come to be performed frequently by the development of computer and sensor technology. In this study, in the ubiquitous environment that manages position information of an object by RFID, it recognizes what a user used by the IC tag attached to an object. Moreover, features are extracted from the time series data obtained from acceleration sensors put on the user.
In this paper, we make a C4.5 decision tree by above-mentioned information and describe the user context estimation method. And we evaluated the utility by an experiment of a prototype system.
Keyword (in Japanese) (See Japanese page) 
(in English) Ubiquitous / Acceleration sensor / RFID / Context-Awareness / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 131, DE2007-29, pp. 43-48, July 2007.
Paper # DE2007-29 
Date of Issue 2007-06-25 (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)
Download PDF DE2007-29

Conference Information
Committee DE  
Conference Date 2007-07-02 - 2007-07-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Akiu hot springs (Sendai) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Summer Database Workshop 2007 (Data engineering, etc.) 
Paper Information
Registration To DE 
Conference Code 2007-07-DE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A user context estimation method in the ubiquitous environment using acceleration sensor and RFID 
Sub Title (in English)  
Keyword(1) Ubiquitous  
Keyword(2) Acceleration sensor  
Keyword(3) RFID  
Keyword(4) Context-Awareness  
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1st Author's Name Yoshiro Saruta  
1st Author's Affiliation Yokohama National University (Yokohama National Univ.)
2nd Author's Name Takashi Tomii  
2nd Author's Affiliation Yokohama National University (Yokohama National Univ.)
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Speaker Author-1 
Date Time 2007-07-02 13:55:00 
Presentation Time 25 minutes 
Registration for DE 
Paper # DE2007-29 
Volume (vol) vol.107 
Number (no) no.131 
Page pp.43-48 
#Pages 6 
Date of Issue 2007-06-25 (DE) 

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