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Open Access
On the Strength of Damping Effect in Online User Dynamics for Preventing Flaming Phenomena

Shinichi KIKUCHI, Chisa TAKANO, Masaki AIDA

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Summary :

As online social networks (OSNs) have become remarkably active, we often experience explosive user dynamics such as online flaming, which can significantly impact the real world. Since the rapidity with which online user dynamics propagates, countermeasures based on social analyses of the individuals who cause online flaming take too much time that timely measures cannot be taken. To consider immediate solutions without individuals' social analyses, a countermeasure technology for flaming phenomena based on the oscillation model, which describes online user dynamics, has been proposed. In this framework, the strength of damping to prevent online flaming was derived based on the wave equation of networks. However, the assumed damping strength was to be a constant independent of the frequency of user dynamics. Since damping strength may generally depend on frequency, it is necessary to consider such frequency dependence in user dynamics. In this paper, we derive the strength of damping required to prevent online flaming under the general condition that damping strength depends on the frequency of user dynamics. We also investigate the existence range of the Laplacian matrix's eigenvalues representing the OSN structure assumed from the real data of OSNs, and apply it to the countermeasure technology for online flaming.

Publication
IEICE TRANSACTIONS on Communications Vol.E105-B No.2 pp.240-249
Publication Date
2022/02/01
Publicized
2021/09/01
Online ISSN
1745-1345
DOI
10.1587/transcom.2021CEP0007
Type of Manuscript
Special Section PAPER (Special Section on Emerging Communication Technologies in Conjunction with Main Topics of ICETC2020)
Category

Authors

Shinichi KIKUCHI
  Tokyo Metropolitan University
Chisa TAKANO
  Hiroshima City University
Masaki AIDA
  Tokyo Metropolitan University

Keyword