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	Originator or propagator? Incorporating social role theory into topic models for twitter content analysis
	Zhao, Wayne Xin ; Wang, Jinpeng ; He, Yulan ; Nie, Jian-Yun ; Li, Xiaoming
	2013
英文摘要	A large number of studies have been devoted to modeling the contents and interactions between users on Twitter. In this paper, we propose a method inspired from Social Role Theory (SRT), which assumes that a user behaves differently in different roles in the generation process of Twitter content. We consider the two most distinctive social roles on Twitter: originator and propagator, who respectively posts original messages and retweets or forwards the messages from others. In addition, we also consider role-specific social interactions, especially implicit interactions between users who share some common interests. All the above elements are integrated into a novel regularized topic model. We evaluate the proposed method on real Twitter data. The results show that our method is more effective than the existing ones which do not distinguish social roles. Copyright 2013 ACM.; EI; 0
语种	英语
DOI标识	10.1145/2505515.2505599
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/410665]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Zhao, Wayne Xin,Wang, Jinpeng,He, Yulan,et al. Originator or propagator? Incorporating social role theory into topic models for twitter content analysis. 2013-01-01.

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