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| Presentation | 2011-03-04 13:40 A study of optimal metadata ranking for the one content to many metadata model Yuto Yoshinari, Takamichi Miyata, Katsunori Yamaoka, Yoshinori Sakai (Tokyo Inst. of Tech.)  IN2010-189 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Information retrieval systems usually provide only one metadata selected from multiple different metadata corresponding to particular content (one content to one metadata model). However, an expectated value of browsing cost for successful retrieval increases when the selected metadata is not consistent with what the user thinks is interesting. On the other hand, as integrated metasearch services do, if multiple different metadata corresponding to single content are provided(one content to many metadata model), it is highly possible that we can reduce the expected cost of successful retrieval. Then, in this study, we defined three models of user’s retrieval behavior to reveal the expected value of cost for successful retrieval under the one content to many metadata model. In this paper, we studied the derivation of evaluation formula to decide the optimal metadata ranking that archieves minimum expected cost for successful retrieval. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | information retrieval / expectation user cost / user behavior model / optimal presentation order / e content to many metadata model / metasearch / probability ranking principle / user memory | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 449, IN2010-189, pp. 271-276, March 2011. | |
| Paper # | IN2010-189 | |
| Date of Issue | 2011-02-24 (IN) | |
| 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 | IN2010-189 |
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| Conference Information | |
| Committee | IN NS |
| Conference Date | 2011-03-03 - 2011-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Convention Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General, NS+IN workshop (March 3-4) |
| Paper Information | |
| Registration To | IN |
| Conference Code | 2011-03-IN-NS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study of optimal metadata ranking for the one content to many metadata model |
| Sub Title (in English) | |
| Keyword(1) | information retrieval |
| Keyword(2) | expectation user cost |
| Keyword(3) | user behavior model |
| Keyword(4) | optimal presentation order |
| Keyword(5) | e content to many metadata model |
| Keyword(6) | metasearch |
| Keyword(7) | probability ranking principle |
| Keyword(8) | user memory |
| 1st Author's Name | Yuto Yoshinari |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 2nd Author's Name | Takamichi Miyata |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 3rd Author's Name | Katsunori Yamaoka |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 4th Author's Name | Yoshinori Sakai |
| 4th Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2011-03-04 13:40:00 |
| Presentation Time | 20 minutes |
| Registration for | IN |
| Paper # | IN2010-189 |
| Volume (vol) | vol.110 |
| Number (no) | no.449 |
| Page | pp.271-276 |
| #Pages | 6 |
| Date of Issue | 2011-02-24 (IN) |
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