81 citations · 282 across the 51 of their papers we have counts for
49 papers · 1 filter
A null model to detect coordinated online behavior integrating evidence from multiple indicators
Filipi Nascimento Silva, Manita Pote, Lake Yin +5
Coordinated online accounts can amplify messages and manipulate attention, but detecting such behavior is challenging due to confounding factors like account activity and item popu…
"If It Looks Like a User": Measuring Real-Time Moderation Effects via Social Media Simulation
Enrico Verdolotti, Gianluca Nogara, Luca Luceri +1
Agent-based social media simulators offer a controlled environment to study content moderation, yet their value hinges on how faithfully they reproduce real platform dynamics. We d…
Predicting, Evaluating, and Explaining Top Misinformation Spreaders via Archetypal User Behavior
Enrico Verdolotti, Luca Luceri, Silvia Giordano
The spread of misinformation on social networks poses a significant challenge to online communities and society at large. Not all users contribute equally to this phenomenon: a sma…
Israel-Hamas War on X: A Case Study of Coordinated Campaigns and Information Integrity
Tuğrulcan Elmas, Filipi Nascimento Silva, Manita Pote +8
Coordinated campaigns on social media play a critical role in shaping crisis information environments, particularly during the onset of conflicts when uncertainty is high and verif…
Cross-Platform Narrative Prediction: Leveraging Platform-Invariant Discourse Networks
Patrick Gerard, Luca Luceri, Leonardo Blas +1
Online narratives spread unevenly across platforms, with content emerging on one site often appearing on others, hours, days or weeks later. Existing cross-platform information dif…
Bridging the Narrative Divide: Cross-Platform Discourse Networks in Fragmented Ecosystems
Patrick Gerard, Hans W. A. Hanley, Luca Luceri +1
Political discourse has grown increasingly fragmented across different social platforms, making it challenging to trace how narratives spread and evolve within such a fragmented in…
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…
Coordinated Inauthentic Behavior on TikTok: Challenges and Opportunities for Detection in a Video-First Ecosystem
Luca Luceri, Tanishq Vijay Salkar, Ashwin Balasubramanian +3
Detecting coordinated inauthentic behavior (CIB) is central to the study of online influence operations. However, most methods focus on text-centric platforms, leaving video-first…
Beyond Interaction Patterns: Assessing Claims of Coordinated Inter-State Information Operations on Twitter/X
Valeria Pantè, David Axelrod, Alessandro Flammini +3
Social media platforms have become key tools for coordinated influence operations, enabling state actors to manipulate public opinion through strategic, collective actions. While p…
Synthetic Politics: Prevalence, Spreaders, and Emotional Reception of AI-Generated Political Images on X
Zhiyi Chen, Jinyi Ye, Beverlyn Tsai +2
Despite widespread concerns about the risks of AI-generated content (AIGC) to the integrity of social media discourse, little is known about its scale and scope, the actors respons…
Audit of takedown delays across social media reveals failure to reduce exposure to illegal content
Bao Tran Truong, Sangyeon Kim, Gianluca Nogara +7
Illegal content on social media poses significant societal harm and necessitates timely removal. However, the impact of the speed of content removal on prevalence, reach, and expos…
Safe Spaces or Toxic Places? Content Moderation and Social Dynamics of Online Eating Disorder Communities
Kristina Lerman, Minh Duc Chu, Charles Bickham +2
Social media platforms have become critical spaces for discussing mental health concerns, including eating disorders. While these platforms can provide valuable support networks, t…
Tracking the 2024 US Presidential Election Chatter on TikTok: A Public Multimodal Dataset
Gabriela Pinto, Charles Bickham, Tanishq Salkar +3
This paper presents the TikTok 2024 U.S. Presidential Election Dataset, a large-scale, resource designed to advance research into political communication and social media dynamics.…
IOHunter: Graph Foundation Model to Uncover Online Information Operations
Marco Minici, Luca Luceri, Francesco Fabbri +1
Social media platforms have become vital spaces for public discourse, serving as modern agoràs where a wide range of voices influence societal narratives. However, their open natur…
Unfiltered Conversations: A Dataset of 2024 U.S. Presidential Election Discourse on Truth Social
Kashish Shah, Patrick Gerard, Luca Luceri +1
Truth Social, launched as a social media platform with a focus on free speech, has become a prominent space for political discourse, attracting a user base with diverse, yet often…
Auditing Political Exposure Bias: Algorithmic Amplification on Twitter/X During the 2024 U.S. Presidential Election
Jinyi Ye, Luca Luceri, Emilio Ferrara
Approximately 50% of tweets in X's user timelines are personalized recommendations from accounts they do not follow. This raises a critical question: What political content are use…
A Public Dataset Tracking Social Media Discourse about the 2024 U.S. Presidential Election on Twitter/X
Ashwin Balasubramanian, Vito Zou, Hitesh Narayana +3
In this paper, we introduce the first release of a large-scale dataset capturing discourse on (a.k.a., Twitter) related to the upcoming 2024 U.S. Presidential Election…
Unearthing a Billion Telegram Posts about the 2024 U.S. Presidential Election: Development of a Public Dataset
Leonardo Blas, Luca Luceri, Emilio Ferrara
With its lenient moderation policies and long-standing associations with potentially unlawful activities, Telegram has become an incubator for problematic content, frequently featu…
Uncovering Coordinated Cross-Platform Information Operations Threatening the Integrity of the 2024 U.S. Presidential Election Online Discussion
Marco Minici, Luca Luceri, Federico Cinus +1
Information Operations (IOs) pose a significant threat to the integrity of democratic processes, with the potential to influence election-related online discourse. In anticipation…
Exposing Cross-Platform Coordinated Inauthentic Activity in the Run-Up to the 2024 U.S. Election
Federico Cinus, Marco Minici, Luca Luceri +1
Coordinated information operations remain a persistent challenge on social media, despite platform efforts to curb them. While previous research has primarily focused on identifyin…
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,…
Tracking the 2024 US Presidential Election Chatter on Tiktok: A Public Multimodal Dataset
Gabriela Pinto, Charles Bickham, Tanishq Salkar +2
This paper documents our release of a large-scale data collection of TikTok posts related to the upcoming 2024 U.S. Presidential Election. Our current data comprises 1.8 million vi…
The Susceptibility Paradox in Online Social Influence
Luca Luceri, Jinyi Ye, Julie Jiang +1
Understanding susceptibility to online influence is crucial for mitigating the spread of misinformation and protecting vulnerable audiences. This paper investigates susceptibility…
Coordinated Activity Modulates the Behavior and Emotions of Organic Users: A Case Study on Tweets about the Gaza Conflict
Priyanka Dey, Luca Luceri, Emilio Ferrara
Social media has become a crucial conduit for the swift dissemination of information during global crises. However, this also paves the way for the manipulation of narratives by ma…