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Extracting news blog hot topics based on the W2T Methodology

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Abstract

Although topic detection and tracking techniques have made great progress, most of the researchers seldom pay more attention to the following two aspects. First, the construction of a topic model does not take the characteristics of different topics into consideration. Second, the factors that determine the formation and development of hot topics are not further analyzed. In order to correctly extract news blog hot topics, the paper views the above problems in a new perspective based on the W2T (Wisdom Web of Things) methodology, in which the characteristics of blog users, context of topic propagation and information granularity are investigated in a unified way. The motivations and features of blog users are first analyzed to understand the characteristics of news blog topics. Then the context of topic propagation is decomposed into the blog community, topic network and opinion network, respectively. Some important factors such as the user behavior pattern, opinion leader and network opinion are identified to track the development trends of news blog topics. Moreover, a blog hot topic detection algorithm is proposed, in which news blog hot topics are identified by measuring the duration, topic novelty, attention degree of users and topic growth. Experimental results show that the proposed method is feasible and effective. These results are also useful for further studying the formation mechanism of opinion leaders in blogspace.

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Authors and Affiliations

  1. International WIC Institute, Beijing University of Technology, Beijing, 100124, People’s Republic of China

    Erzhong Zhou & Ning Zhong

  2. Department of Life Science and Informatics, Maebashi Institute of Technology, 460-1 Kamisadori-Cho, Maebashi, 371-0816, Japan

    Ning Zhong

  3. Faculty of Science and Technology, Queensland University of Technology, Brisbane QLD, 4001, Australia

    Yuefeng Li

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  1. Erzhong Zhou
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  2. Ning Zhong
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  3. Yuefeng Li
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Correspondence to Ning Zhong.

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Zhou, E., Zhong, N. & Li, Y. Extracting news blog hot topics based on the W2T Methodology. World Wide Web 17, 377–404 (2014). https://doi.org/10.1007/s11280-013-0207-7

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