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Cluster Computing

, Volume 20, Issue 3, pp 2403–2413 | Cite as

Identifying opinion leaders in social networks with topic limitation

  • Li Yang
  • Yaping TianEmail author
  • Jin Li
  • Jianfeng Ma
  • Junwei Zhang
Article

Abstract

The social networks have been an important platform for people to share and exchange information in their daily life. There are some most critical users called opinion leaders who are always used to achieve the maximization of information transmission and suppress the diffusion of rumours in a short time. Many methods have been proposed by researches for these users. For identifying more accurately and efficiently, we make a further analysis for the real information spread and find that the information is commonly topic sensitive and opinion leaders are always topic limited. In the certain topic area, the users with higher authority in the topic area always play a more crucial role for the information spread. What’s more, in order to quantify the authority in certain topic area, we apply a series of rigorous definitions and topic model. Finally, comparing with the other widely used methods, the result shows the effective performance of our method.

Keywords

Social networks Opinion leaders Information spread Topic limited 

Notes

Acknowledgements

This study was funded by the National Natural Science Foundation of China (61671360,61672409, 61672415, 61672413, 61472310, U1135002), the National High-Tech R & D Program of China (863) (2015AA016007, 2015AA017203), the China 111 Project (B16037), the Fundamental Research Funds for the Central University (JB161505, BDZ011402).

Compliance with ethical standards

Conflict of interest

The authors declare that there have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  • Li Yang
    • 1
  • Yaping Tian
    • 1
    Email author
  • Jin Li
    • 2
  • Jianfeng Ma
    • 1
  • Junwei Zhang
    • 1
  1. 1.School of Cyber EngineeringXidian UniversityXi’anChina
  2. 2.School of Computer ScienceGuangzhou UniversityGuangzhouPeople’s Republic of China

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