collaborators

15 papers

cs.CY2026

A Marketplace for AI-Generated Adult Content and Deepfakes

Shalmoli Ghosh, Matthew R. DeVerna, Filippo Menczer

Generative AI systems increasingly enable the production of highly realistic synthetic media. Civitai, a popular community-driven platform for AI-generated content, operates a mone…

cs.CL2026

Adversarial Creation and Detection of AI-Generated Social Bot Content

Mykola Trokhymovych, Ricardo Baeza-Yates, Alessandro Flammini +2

The convergence of large language models and social bots allows malicious actors to manipulate the information ecosystem by generating human-like content at scale. Existing models…

cs.SI2026

How the cascade inference problem distorts information diffusion

Matthew R. DeVerna, Francesco Pierri, Rachith Aiyappa +3

To analyze the flow of information online, experts often rely on platform-provided data from social media companies, which typically attribute all resharing actions to an original…

cs.CY2026

The Invisible Risks of AI-Generated Health Information

Matthew R. DeVerna, Harry Yaojun Yan, Kai-Cheng Yang +1

Generative artificial intelligence (AI) systems now summarize health-related search results, answer medical questions, and offer guidance people once sought from clinicians. These…

cs.CL2026

PluRule: A Benchmark for Moderating Pluralistic Communities on Social Media

Zoher Kachwala, Bao Tran Truong, Rasika Muralidharan +3

Social media are shifting towards pluralism -- community-governed platforms where groups define their own norms. What violates rules in one community may be perfectly acceptable in…

cs.SI2026

Emergence of Stereotypes and Affective Polarization from Belief Network Dynamics

Ozgur Can Seckin, Rachith Aiyappa, Madalina Vlasceanu +3

Our belief systems are shaped by social processes, such as observations and influence, and by cognitive processes, such as the drive for internal coherence. These processes steer h…