3 papers
cs.SI2026
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…
cs.SI2026
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…
cs.SI2026
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…