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"This is Fake News": Characterizing the Spontaneous Debunking from Twitter Users to COVID-19 False Information
Kunihiro Miyazaki, Takayuki Uchiba, Kenji Tanaka +3
False information spreads on social media, and fact-checking is a potential countermeasure. However, there is a severe shortage of fact-checkers; an efficient way to scale fact-che…
Retrospective Analysis of Controversial Subtopics on COVID-19 in Japan
Kunihiro Miyazaki, Takayuki Uchiba, Fujio Toriumi +2
For efficient political decision-making in an emergency situation, a thorough recognition and understanding of the polarized topics is crucial. The cost of unmitigated polarization…
Characterizing the Anti-Vaxxers' Reply Behavior on Social Media
Kunihiro Miyazaki, Takayuki Uchiba, Kenji Tanaka +1
Although the online campaigns of anti-vaccine advocates, or anti-vaxxers, severely threaten efforts for herd immunity, their reply behavior--the form of directed messaging that can…