| Presentation | 2009-05-22 Latent Variable Model Focusing on Documents' Topics And Authors' Interests Noriaki KAWAMAE, Takeshi YAMADA, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper presents a statistical model that captures not only the low-dimensional set of multinomial distributions over words, but also how this structure is consisted of topics, document classes and author interests. Unlike other recent work that includes authors into the latent variable model, here the interest is represented as a latent variable having a probability distribution over topics and can be shared with authors who prefer a set of similar topics. So, this model represents each document as a mixture of topics, where the mixture proportion is sampled from this interest class. Experiments using a dataset of research papers shows that the proposed model can capture these interests, thus performs dimensionality reduction of documents to a low-dimensional interest-topic space, and is useful as a generative model. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | latent variable models / clustering |
| Paper # | AI2009-4 |
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| Conference Information | |
| Committee | AI |
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| Conference Date | 2009/5/15(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Paper Information | |
| Registration To | Artificial Intelligence and Knowledge-Based Processing (AI) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Latent Variable Model Focusing on Documents' Topics And Authors' Interests |
| Sub Title (in English) | |
| Keyword(1) | latent variable models |
| Keyword(2) | clustering |
| 1st Author's Name | Noriaki KAWAMAE |
| 1st Author's Affiliation | NTT Communication Science Laboratories() |
| 2nd Author's Name | Takeshi YAMADA |
| 2nd Author's Affiliation | NTT Communication Science Laboratories |
| Date | 2009-05-22 |
| Paper # | AI2009-4 |
| Volume (vol) | vol.109 |
| Number (no) | 51 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |