70 citations · 157 across the 13 of their papers we have counts for
13 papers
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…
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…
Large Language Models Require Curated Context for Reliable Political Fact-Checking -- Even with Reasoning and Web Search
Matthew R. DeVerna, Kai-Cheng Yang, Harry Yaojun Yan +1
Large language models (LLMs) have raised hopes for automated end-to-end fact-checking, but prior studies report mixed results. As mainstream chatbots increasingly ship with reasoni…
A longitudinal analysis of misinformation, polarization and toxicity on Bluesky after its public launch
Gianluca Nogara, Erfan Samieyan Sahneh, Matthew R. DeVerna +5
Bluesky is a decentralized, Twitter-like social media platform that has rapidly gained popularity. Following an invite-only phase, it officially opened to the public on February 6t…
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…
The Dawn of Decentralized Social Media: An Exploration of Bluesky's Public Opening
Erfan Samieyan Sahneh, Gianluca Nogara, Matthew R. DeVerna +5
Bluesky is a Twitter-like decentralized social media platform that has recently grown in popularity. After an invite-only period, it opened to the public worldwide on February 6th,…
Modeling the amplification of epidemic spread by individuals exposed to misinformation on social media
Matthew R. DeVerna, Francesco Pierri, Yong-Yeol Ahn +3
Understanding how misinformation affects the spread of disease is crucial for public health, especially given recent research indicating that misinformation can increase vaccine he…
Fact-checking information from large language models can decrease headline discernment
Matthew R. DeVerna, Harry Yaojun Yan, Kai-Cheng Yang +1
Fact checking can be an effective strategy against misinformation, but its implementation at scale is impeded by the overwhelming volume of information online. Recent artificial in…
A Multi-Platform Collection of Social Media Posts about the 2022 U.S. Midterm Elections
Rachith Aiyappa, Matthew R. DeVerna, Manita Pote +13
Social media are utilized by millions of citizens to discuss important political issues. Politicians use these platforms to connect with the public and broadcast policy positions.…
One Year of COVID-19 Vaccine Misinformation on Twitter: Longitudinal Study
Francesco Pierri, Matthew R. DeVerna, Kai-Cheng Yang +3
Vaccinations play a critical role in mitigating the impact of COVID-19 and other diseases. This study explores COVID-19 vaccine misinformation circulating on Twitter during 2021, w…
Identifying and characterizing superspreaders of low-credibility content on Twitter
Matthew R. DeVerna, Rachith Aiyappa, Diogo Pacheco +2
The world's digital information ecosystem continues to struggle with the spread of misinformation. Prior work has suggested that users who consistently disseminate a disproportiona…
Online misinformation is linked to early COVID-19 vaccination hesitancy and refusal
Francesco Pierri, Brea Perry, Matthew R. DeVerna +4
Widespread uptake of vaccines is necessary to achieve herd immunity. However, uptake rates have varied across U.S. states during the first six months of the COVID-19 vaccination pr…
CoVaxxy: A Collection of English-language Twitter Posts About COVID-19 Vaccines
Matthew R. DeVerna, Francesco Pierri, Bao Tran Truong +7
With a substantial proportion of the population currently hesitant to take the COVID-19 vaccine, it is important that people have access to accurate information. However, there is…