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Coordinated campaigns are used to influence and manipulate social media platforms and their users, a critical challenge to the free exchange of information online. Here we introduce a general, unsupervised network-based methodology to…

Social and Information Networks · Computer Science 2021-04-09 Diogo Pacheco , Pik-Mai Hui , Christopher Torres-Lugo , Bao Tran Truong , Alessandro Flammini , Filippo Menczer

The prevalence of coordinated information campaigns in social media platforms has significant negative consequences across various domains, including social, political, and economic processes. This paper proposes a multifaceted framework…

Social and Information Networks · Computer Science 2023-09-25 Kin Wai Ng , Adriana Iamnitchi

Online manipulation of information has become more prevalent in recent years as state-sponsored disinformation campaigns seek to influence and polarize political topics through massive coordinated efforts. In the process, these efforts…

Social and Information Networks · Computer Science 2020-09-08 Luis Vargas , Patrick Emami , Patrick Traynor

In the era of widespread online content consumption, effective detection of coordinated efforts is crucial for mitigating potential threats arising from information manipulation. Despite advances in isolating inauthentic and automated…

Social and Information Networks · Computer Science 2025-12-23 Letizia Iannucci , Elisa Muratore , Antonis Matakos , Mikko Kivelä

The study of coordinated manipulation of conversations on social media has become more prevalent as social media's role in amplifying misinformation, hate, and polarization has come under scrutiny. We discuss the implications of successful…

Social and Information Networks · Computer Science 2021-06-08 Thomas Magelinski , Lynnette Hui Xian Ng , Kathleen M. Carley

Coordination is a fundamental aspect of life. The advent of social media has made it integral also to online human interactions, such as those that characterize thriving online communities and social movements. At the same time,…

Social and Information Networks · Computer Science 2026-04-13 Lorenzo Mannocci , Michele Mazza , Anna Monreale , Maurizio Tesconi , Stefano Cresci

Coordinated online behaviors are an essential part of information and influence operations, as they allow a more effective disinformation's spread. Most studies on coordinated behaviors involved manual investigations, and the few existing…

Social and Information Networks · Computer Science 2021-04-02 Leonardo Nizzoli , Serena Tardelli , Marco Avvenuti , Stefano Cresci , Maurizio Tesconi

Political misinformation, astroturfing and organised trolling are online malicious behaviours with significant real-world effects. Many previous approaches examining these phenomena have focused on broad campaigns rather than the small…

Social and Information Networks · Computer Science 2022-02-28 Derek Weber , Frank Neumann

The rise of social media has been accompanied by a dark side with the ease of creating fake accounts and disseminating misinformation through coordinated attacks. Existing methods to identify such attacks often rely on thematic similarities…

Social and Information Networks · Computer Science 2024-07-17 Isura Manchanayaka , Zainab Razia Zaidi , Shanika Karunasekera , Christopher Leckie

The rapid growth of social media presents a unique opportunity to study coordinated agent behavior in an unfiltered environment. Online processes often exhibit complex structures that reflect the nature of the user behavior, whether it is…

Social and Information Networks · Computer Science 2025-06-17 Anna Kalenkova , Lewis Mitchell , Ethan Johnson

Contrast pattern mining (CPM) aims to discover patterns whose support increases significantly from a background dataset compared to a target dataset. CPM is particularly useful for characterising changes in evolving systems, e.g., in…

Networking and Internet Architecture · Computer Science 2020-12-01 Elaheh AlipourChavary , Sarah M. Erfani , Christopher Leckie

Web usage mining: automatic discovery of patterns in clickstreams and associated data collected or generated as a result of user interactions with one or more Web sites. This paper describes web usage mining for our college log files to…

Databases · Computer Science 2013-10-10 Dhanamma Jagli , Sangeeta Oswal

Large-scale online campaigns, malicious or otherwise, require a significant degree of coordination among participants, which sparked interest in the study of coordinated online behavior. State-of-the-art methods for detecting coordinated…

Social and Information Networks · Computer Science 2024-05-10 Serena Tardelli , Leonardo Nizzoli , Maurizio Tesconi , Mauro Conti , Preslav Nakov , Giovanni Da San Martino , Stefano Cresci

Current network-based methods for detecting coordinated inauthentic behaviour on social media focus primarily on inferring links between accounts based on common "behavioural traces" [19], such as retweeting the same tweet or posting the…

Social and Information Networks · Computer Science 2022-08-15 Derek Weber , Lucia Falzon

Automated social media accounts, known as bots, are increasingly recognized as key tools for manipulative online activities. These activities can stem from coordination among several accounts and these automated campaigns can manipulate…

Social and Information Networks · Computer Science 2023-11-01 Yasser Zouzou , Onur Varol

Disagreement and conflict are a fact of social life and considerably affect our well-being and productivity. Such negative interactions are rarely explicitly declared and recorded and this makes them hard for scientists to study. We…

Social and Information Networks · Computer Science 2016-11-04 Milena Tsvetkova , Ruth García-Gavilanes , Taha Yasseri

We explore the effects of coordinated users (i.e., users characterized by an unexpected, suspicious, or exceptional similarity) in information spreading on Twitter by quantifying the efficacy of their tactics in deceiving feed algorithms to…

Social and Information Networks · Computer Science 2025-09-09 Matteo Cinelli , Stefano Cresci , Walter Quattrociocchi , Maurizio Tesconi , Paola Zola

Disinformation campaigns on social media, involving coordinated activities from malicious accounts towards manipulating public opinion, have become increasingly prevalent. Existing approaches to detect coordinated accounts either make very…

Social and Information Networks · Computer Science 2021-05-19 Karishma Sharma , Yizhou Zhang , Emilio Ferrara , Yan Liu

Social media accounts engaging in online manipulation can change their behaviors for re-purposing or to evade detection. Existing detection systems are built on features that do not exploit such behavioral patterns. Here we investigate the…

Social and Information Networks · Computer Science 2026-03-04 Isuru Ariyarathne , Gangani Ariyarathne , Alessandro Flammini , Filippo Menczer , Alexander C. Nwala

Recent years have seen a marked increase in the spread of misinformation, a phenomenon which has been accelerated and amplified by social media such as Facebook and Twitter. While some actors spread misinformation to push a specific agenda,…

Social and Information Networks · Computer Science 2020-04-10 Mayee F. Chen , Miklos Z. Racz
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