5 citations · 22 across the 22 of their papers we have counts for
22 papers
From Detection to Characterization: A Large-Scale Study of Ragebait on Japanese X
Zhiyang Qi, Kazuhiro Ito, Jinghui Chen +5
Ragebait refers to online content intentionally designed to provoke anger or outrage and thereby increase attention and engagement. However, reliable large-scale detection and syst…
Network-distance decay of perceived online social support
Masanori Takano, Kenji Yokotani, Masaki Chujyo +1
Perceived social support can buffer stress, but how it is associated across online social networks at different graph distances remains unclear. Here we show that inferred perceive…
An attention economy model of co-evolution between content quality and audience selectivity
Masaki Chujyo, Isamu Okada, Hitoshi Yamamoto +2
Human attention has become a scarce and strategically contested resource in digital environments. Content providers increasingly engage in excessive competition for visibility, oft…
Impact of seed node position on network robustness under localized attacks
Masaki Chujyo, Shu Liu, Fujio Toriumi
Localized attacks (LAs), where damage propagates from a single seed node to its neighbors, pose significant threats to the robustness of complex networks. Although previous studies…
Temporal Shifts and Causal Interactions of Emotions in Social and Mass Media: A Case Study of the "Reiwa Rice Riot" in Japan
Erina Murata, Masaki Chujyo, Fujio Toriumi
In Japan, severe rice shortages in 2024 sparked widespread public controversy across both news media and social platforms, culminating in what has been termed the "Reiwa Rice Riot.…
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…
Reducing Sexual Predation and Victimization Through Warnings and Awareness among High-Risk Users
Masanori Takano, Mao Nishiguchi, Fujio Toriumi
Online sexual predators target children by building trust, creating dependency, and arranging meetings for sexual purposes. This poses a significant challenge for online communicat…
Informational Health --Toward the Reduction of Risks in the Information Space
Fujio Toriumi, Tatsuhiko Yamamoto
The modern information society, markedly influenced by the advent of the internet and subsequent developments such as WEB 2.0, has seen an explosive increase in information availab…
QANA: LLM-based Question Generation and Network Analysis for Zero-shot Key Point Analysis and Beyond
Tomoki Fukuma, Koki Noda, Toshihide Ubukata Kousuke Hoso +4
The proliferation of social media has led to information overload and increased interest in opinion mining. We propose "Question-Answering Network Analysis" (QANA), a novel opinion…
HyperS2V: A Framework for Structural Representation of Nodes in Hyper Networks
Shu Liu, Cameron Lai, Fujio Toriumi
In contrast to regular (simple) networks, hyper networks possess the ability to depict more complex relationships among nodes and store extensive information. Such networks are com…
User's Position-Dependent Strategies in Consumer-Generated Media with Monetary Rewards
Shintaro Ueki, Fujio Toriumi, Toshiharu Sugawara
Numerous forms of consumer-generated media (CGM), such as social networking services (SNS), are widely used. Their success relies on users' voluntary participation, often driven by…
Investigating Quantitative-Qualitative Topical Preference: A Comparative Study of Early and Late Engagers in Japanese ChatGPT Conversations
Tomoki Fukuma, Koki Noda, Yuta Yamamoto +5
This study investigates engagement patterns related to OpenAI's ChatGPT on Japanese Twitter, focusing on two distinct user groups - early and late engagers, inspired by the Innovat…
Effect of Monetary Reward on Users' Individual Strategies Using Co-Evolutionary Learning
Shintaro Ueki, Fujio Toriumi, Toshiharu Sugawara
Consumer generated media (CGM), such as social networking services rely on the voluntary activity of users to prosper, garnering the psychological rewards of feeling connected with…
How Many Tweets DoWe Need?: Efficient Mining of Short-Term Polarized Topics on Twitter: A Case Study From Japan
Tomoki Fukuma, Koki Noda, Hiroki Kumagai +5
In recent years, social media has been criticized for yielding polarization. Identifying emerging disagreements and growing polarization is important for journalists to create aler…
Do you trust experts on Twitter?: Successful correction of COVID-19-related misinformation
Dongwoo Lim, Fujio Toriumi, Mitsuo Yoshida
This study focuses on how scientifically-correct information is disseminated through social media, and how misinformation can be corrected. We have identified examples on Twitter w…
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…
Corrective Information Does Not Necessarily Curb Social Disruption
Ryusuke Iizuka, Fujio Toriumi, Mao Nishiguchi +2
The spread of misinformation can cause social confusion. The authenticity of information on a social networking service (SNS) is unknown, and false information can be easily spread…
Analysis of Political Party Twitter Accounts' Retweeters During Japan's 2017 Election
Mitsuo Yoshida, Fujio Toriumi
In modern election campaigns, political parties utilize social media to advertise their policies and candidates and to communicate to the electorate. In Japan's latest general elec…
Information Diffusion Power of Political Party Twitter Accounts During Japan's 2017 Election
Mitsuo Yoshida, Fujio Toriumi
In modern election campaigns, political parties utilize social media to advertise their policies and candidates and to communicate to electorates. In Japan's latest general electio…
Analysis and Modeling of Behavioral Changes in a News Service
Atom Sonoda, Fujio Toriumi, Hiroto Nakajima +1
Information is transmitted through websites, and immediate reactions to various kinds of information are required. Hence, efforts by users to select information themselves have inc…
Influence of Selective Exposure to Viewing Contents Diversity
Kota Kakiuchi, Fujio Toriumi, Masanori Takano +2
Personalization, including both self-selected and pre-selected, is inevitable when tremendous amounts of media content are available. Personalization, which is believed to cause pe…
Do Political Detachment Users Receive Various Political Information on Social Media?
Mitsuo Yoshida, Fujio Toriumi
In the election, political parties communicate political information to people through social media. The followers receive the information, but can users who are not followers, pol…