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| Presentation | 2014-03-07 14:45 Estimation of Item Preference Parameter with User Review Data Shunichi Mochizuki, Yu Fujimoto, Noboru Murata (Waseda Univ.)  IBISML2013-79 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | There are services that recommend items such as shops or products to users based on scores or ratings that other users have given to those items. Application of the Bradley-Terry(BT) model is widely considered as a way to achieve the statistical representation of items based on ratings that users have given to items. The BT model evaluates the true preference parameters of items through the statistical representation. In this paper, a divide and conquer optimization algorithm that enables estimating preference parameters in a feasible computational time when the number of items scales up to the order of ten-thousands is proposed. A number of experimental studies using both synthetic and real datasets are provided to demonstrate the effectiveness of this method. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Bradley-Terry model / em algorithm / ranking model / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 476, IBISML2013-79, pp. 89-94, March 2014. | |
| Paper # | IBISML2013-79 | |
| Date of Issue | 2014-02-27 (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 | IBISML2013-79 |
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| Conference Information | |
| Committee | IBISML |
| Conference Date | 2014-03-06 - 2014-03-07 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nara Women's University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Statistical mathmatics, machine learning, data mining, and other topics |
| Paper Information | |
| Registration To | IBISML |
| Conference Code | 2014-03-IBISML |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Estimation of Item Preference Parameter with User Review Data |
| Sub Title (in English) | |
| Keyword(1) | Bradley-Terry model |
| Keyword(2) | em algorithm |
| Keyword(3) | ranking model |
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| Keyword(8) | |
| 1st Author's Name | Shunichi Mochizuki |
| 1st Author's Affiliation | Waseda University (Waseda Univ.) |
| 2nd Author's Name | Yu Fujimoto |
| 2nd Author's Affiliation | Waseda University (Waseda Univ.) |
| 3rd Author's Name | Noboru Murata |
| 3rd Author's Affiliation | Waseda University (Waseda Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-03-07 14:45:00 |
| Presentation Time | 25 minutes |
| Registration for | IBISML |
| Paper # | IBISML2013-79 |
| Volume (vol) | vol.113 |
| Number (no) | no.476 |
| Page | pp.89-94 |
| #Pages | 6 |
| Date of Issue | 2014-02-27 (IBISML) |
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