179 citations · 336 across the 17 of their papers we have counts for
7 papers · 1 filter
Crude, Commercial, and Self-Referential: Chinese-Language Coordinated Activity in Japanese-Language X
Kei Ichikawa, Bruno T. Sugano, Genta Toya +5
Malicious coordination has long been regarded as a principal source of information ecosystem pollution. Here, we focus on crude, text-repetition-based coordination. As the demand f…
Attentional DoS: Repeat Reposting, Collective Attention, and Information Diffusion on X
Genta Toya, Bruno T. Sugano, Kei Ichikawa +6
Collective attention is a finite shared resource, and social media posts compete for limited opportunities to be seen. On X, users can undo a repost and repost it again. By repeati…
Uncovering Non-Normality in Information Flow: Network Structure and Dynamics of Social Media Cascades
Qianyun Wu, Bruno T. Sugano, Genta Toya +5
Information cascades on social media are conventionally conceptualized as directed, feedforward branching processes. However, real-world diffusion pathways frequently deviate from…
Segregation Before Polarization: How Recommendation Strategies Shape Echo Chamber Pathways
Junning Zhao, Kazutoshi Sasahara, Yu Chen
Social media platforms facilitate echo chambers through feedback loops between user preferences and recommendation algorithms. While algorithmic homogeneity is well-documented, the…
"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…
A network-based approach to QAnon user dynamics and topic diversity during the COVID-19 infodemic
Wentao Xu, Kazutoshi Sasahara
QAnon is an umbrella conspiracy theory that encompasses a wide spectrum of people. The COVID-19 pandemic has helped raise the QAnon conspiracy theory to a wide-spreading movement,…
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…