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| Presentation | 2011-11-10 15:45 Sequential Network Change Detection with Its Applications to Advertisement Impact Relation Analysis Yu Hayashi, Kenji Yamanishi (Univ. of Tokyo.)  IBISML2011-71 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper addresses the issue of network change detection from non-stationary time series data. We employ as a representation of relations among factors a Bayesian network and apply the theory of dynamic model selection to the tracking of its changes. Conventionally it has been proposed a batch algorithm for network change detection, we propose a novel sequential algorithm for network change detection. The key idea is to sequentially apply dynamic programming technique over subsequences of length a fixed size. We further restrict the model space for the efficient computation. We use artificial data sets to demonstrate the validity of the proposed method in comparison with the existing method. We further use real data sets to demonstrate that our proposed framework enables us to analyze an impact of an advertisement. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Network Change Detection / Bayesian Network / Dynamic Model Selection / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 275, IBISML2011-71, pp. 199-206, Nov. 2011. | |
| Paper # | IBISML2011-71 | |
| Date of Issue | 2011-11-02 (IBISML) | |
| 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 | IBISML2011-71 |
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| Conference Information | |
| Committee | IBISML |
| Conference Date | 2011-11-09 - 2011-11-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nara Womens Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | The 14th IBIS workshop |
| Paper Information | |
| Registration To | IBISML |
| Conference Code | 2011-11-IBISML |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Sequential Network Change Detection with Its Applications to Advertisement Impact Relation Analysis |
| Sub Title (in English) | |
| Keyword(1) | Network Change Detection |
| Keyword(2) | Bayesian Network |
| Keyword(3) | Dynamic Model Selection |
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| 1st Author's Name | Yu Hayashi |
| 1st Author's Affiliation | The University of Tokyo (Univ. of Tokyo.) |
| 2nd Author's Name | Kenji Yamanishi |
| 2nd Author's Affiliation | The University of Tokyo (Univ. of Tokyo.) |
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| Speaker | Author-1 |
| Date Time | 2011-11-10 15:45:00 |
| Presentation Time | 180 minutes |
| Registration for | IBISML |
| Paper # | IBISML2011-71 |
| Volume (vol) | vol.111 |
| Number (no) | no.275 |
| Page | pp.199-206 |
| #Pages | 8 |
| Date of Issue | 2011-11-02 (IBISML) |
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