| Paper Abstract and Keywords |
| Presentation |
2006-05-18 10:45
A collaborative filtering method based on marginal rating distributions
Shuhei Kuwata, Naonori Ueda (NTT) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
We propose a collaborative filtering method based on a probabilistic approach . In the proposed method, first empirical marginal distributions of the ratings over users and/or items are computed. Then, for unrated data, these distributions are represented as a function of unknown ratings, and the unknown ratings are predicted by minimizing KL divergence between both distributions. Unlike the conventional methods, the proposed method can predict all ratings simultaneously. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
collaborative filtering / marginal distribution / KL divergence / probabilistic approach / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 106, no. 38, AI2006-3, pp. 13-18, May 2006. |
| Paper # |
AI2006-3 |
| Date of Issue |
2006-05-11 (AI) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
|
| Conference Information |
| Committee |
AI |
| Conference Date |
2006-05-18 - 2006-05-18 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
AI |
| Conference Code |
2006-05-AI |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A collaborative filtering method based on marginal rating distributions |
| Sub Title (in English) |
|
| Keyword(1) |
collaborative filtering |
| Keyword(2) |
marginal distribution |
| Keyword(3) |
KL divergence |
| Keyword(4) |
probabilistic approach |
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| 1st Author's Name |
Shuhei Kuwata |
| 1st Author's Affiliation |
NTT Corporation (NTT) |
| 2nd Author's Name |
Naonori Ueda |
| 2nd Author's Affiliation |
NTT Corporation (NTT) |
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| Speaker |
Author-1 |
| Date Time |
2006-05-18 10:45:00 |
| Presentation Time |
25 minutes |
| Registration for |
AI |
| Paper # |
AI2006-3 |
| Volume (vol) |
vol.106 |
| Number (no) |
no.38 |
| Page |
pp.13-18 |
| #Pages |
6 |
| Date of Issue |
2006-05-11 (AI) |