What's behind topic formation and development: a perspective of community core groups
Authors: 
Tieyun Qian, Qing Li, Bing Liu, Hui Xiong, Jaideep Srivastava, Phillip SheuAuthors Info & Claims
Pages 1843 - 1846
Abstract
Over the past several years, there has been a great interest in topic detection and tracking (TDT). Recently, analyzing general research trend from the huge amount of history documents also arouses considerable attention. However, existing work on TDT mainly focuses on overall trend analysis, and is unable to address questions such as "what determines the evolution of a topic?" and "when and how does a new topic get formed?".
In this paper, we propose a core group model to explain the dynamics and further segment topic development. According to the division phase and interphase in the life cycle of a core group, a topic is separated into four states, i.e. birth state, extending state, saturation state and shrinkage state. Experimental results on a real dataset show that the division of a core group brings on the generation of a new topic, and the progress of an entire topic is closely correlated to the growth of a core group during its interphase.
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- What's behind topic formation and development: a perspective of community core groups
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Information
Published In
November 2009
2162 pages
ISBN:9781605585123
DOI:10.1145/1645953
- General Chairs:
- David Cheung,
- Il-Yeol Song,
- Program Chairs:
- Wesley Chu,
- Xiaohua Hu,
- Jimmy Lin
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Published: 02 November 2009
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