Presentation | 2012-11-07 Subset Infinite Relational Models Katsuhiko ISHIGURO, Naonori UEDA, Hiroshi SAWADA, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | We propose a new probabilistic generative model for analyzing sparse and noisy relational data, such as friend-links on social network services and customer records in online shops. Real-world relational data often include a large portion of non-informative data entries. Many existing stochastic blockmodels suffer from these irrelevant data entries. The proposed model incorporates a latent variable that explicitly indicates whether each data entry is relevant or not to diminish bad effects associated with such irrelevant data. Through experiments, we show that the proposed model can extract clusters with stronger relations among data within the cluster than clusters obtained by the conventional model. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | clustering / relational data / nonparametric Bayes |
Paper # | IBISML2012-37 |
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Committee | IBISML |
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Conference Date | 2012/10/31(1days) |
Place (in Japanese) | (See Japanese page) |
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Registration To | Information-Based Induction Sciences and Machine Learning (IBISML) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | Subset Infinite Relational Models |
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Keyword(1) | clustering |
Keyword(2) | relational data |
Keyword(3) | nonparametric Bayes |
1st Author's Name | Katsuhiko ISHIGURO |
1st Author's Affiliation | NTT Corporation() |
2nd Author's Name | Naonori UEDA |
2nd Author's Affiliation | NTT Corporation |
3rd Author's Name | Hiroshi SAWADA |
3rd Author's Affiliation | NTT Corporation |
Date | 2012-11-07 |
Paper # | IBISML2012-37 |
Volume (vol) | vol.112 |
Number (no) | 279 |
Page | pp.pp.- |
#Pages | 8 |
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