6 papers
Assessing Post-Reform Changes in Risk Disclosure Quality with a Multidimensional Text Analysis Approach
Nobuhiro Aikawa, Mitsuo Yoshida
While corporate narrative disclosures provide crucial information to capital markets, comprehensively evaluating their qualitative changes over time remains challenging. Narrative…
Mapping Social Media User Behaviors in Reciprocity Space
Shiori Hironaka, Hayato Oshimo, Mitsuo Yoshida +1
Social media users exhibit diverse behavioral patterns as platforms function simultaneously as information and friendship networks. We introduce a reciprocity-based framework mappi…
Identifying Stable Influencers: Distinguishing Stable and Temporal Influencers Using Long-Term Twitter Data
Harutaka Yamada, Sho Tsugawa, Mitsuo Yoshida
For effective social media marketing, identifying stable influencers-those who sustain their influence over an extended period-is more valuable than focusing on users who are influ…
The Circulate and Recapture Dynamic of Fan Mobility in Agency-Affiliated VTuber Networks
Tomohiro Murakami, Mitsuo Yoshida
VTuber agencies -- multichannel networks (MCNs) that bundle Virtual YouTubers (VTubers) on YouTube -- curate portfolios of channels and coordinate programming, cross appearances, a…
Understanding Toxic Interaction Across User and Video Clusters in Social Video Platforms
Qiao Wang, Liang Liu, Mitsuo Yoshida
Social video platforms shape how people access information, while recommendation systems can narrow exposure and increase the risk of toxic interaction. Previous research has often…
Global Patterns of Knowledge: Language, Genre, and the Geography of Knowledge
Akira Matsui, Fujio Toriumi, Mitsuo Yoshida +2
Online platforms, particularly Wikipedia, have become critical infrastructures for providing diverse linguistic and cultural contexts. This human-curated knowledge now forms the fo…