Understanding Topic Influence Based on Module Network

  • Jinlong Wang
  • Congfu Xu
  • Dou Shen
  • Guojing Luo
  • Xueyu Geng
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4822)


Topic detection and analysis is very important to understand academic document collections. By further modeling the influence among the topics, we can understand the evolution of research topics better. This problem has attracted much attention recently. Different from the existing works, this paper proposes a solution which discovers hidden topics as well as the relative change of their intensity as a first step and then uses them to construct a module network. Through this way, we can produce a generalization module among different topics. In order to eliminate the instability of topic intensity for analyzing topic changes, we adopt the piece-wise linear representation so that we can model the topic influence accurately. Some experiments on real data sets validate the effectiveness of our proposed method.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Jinlong Wang
    • 1
  • Congfu Xu
    • 2
  • Dou Shen
    • 3
  • Guojing Luo
    • 2
  • Xueyu Geng
    • 4
  1. 1.School of Computer Engineering, Qingdao Technological University, Qingdao, 266033China
  2. 2.Institute of Artificial Intelligence, Zhejiang University, Hangzhou, 310027China
  3. 3.Microsoft adCenter Labs, Redmond WA 98052 
  4. 4.Institute of Geotechnical Engineering Research, Zhejiang University, Hangzhou, 310027China

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