On Joint Modeling of Topical Communities and Personal Interest in Microblogs
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- 作者：Tuan-Anh Hoang (17)
Ee-Peng Lim (17) - 关键词：Social media ; Microblogs ; Topic modeling ; User modeling
- 刊名：Lecture Notes in Computer Science
- 出版年：2014
- 出版时间：2014
- 年：2014
- 卷：8851
- 期：1
- 页码：1-16
- 全文大小：337 KB
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Ee-Peng Lim (17)
17. Living Analytics Research Centre, Singapore Management University, Singapore - ISSN：1611-3349
文摘
In this paper, we propose the Topical Communities and Personal Interest (TCPI) model for simultaneously modeling topics, topical communities, and users-topical interests in microblogging data. TCPI considers different topical communities while differentiating users-personal topical interests from those of topical communities, and learning the dependence of each user on the affiliated communities to generate content. This makes TCPI different from existing models that either do not consider the existence of multiple topical communities, or do not differentiate between personal and community’s topical interests. Our experiments on two Twitter datasets show that TCPI can effectively mine the representative topics for each topical community. We also demonstrate that TCPI significantly outperforms other state-of-the-art topic models in the modeling tweet generation task.