3 papers
cs.SI2020
Coordinated Behavior on Social Media in 2019 UK General Election
Leonardo Nizzoli, Serena Tardelli, Marco Avvenuti +2
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 beha…
cs.CY2020
Charting the Landscape of Online Cryptocurrency Manipulation
Leonardo Nizzoli, Serena Tardelli, Marco Avvenuti +3
Cryptocurrencies represent one of the most attractive markets for financial speculation. As a consequence, they have attracted unprecedented attention on social media. Besides genu…
cs.SI2018
Cashtag piggybacking: uncovering spam and bot activity in stock microblogs on Twitter
Stefano Cresci, Fabrizio Lillo, Daniele Regoli +2
Microblogs are increasingly exploited for predicting prices and traded volumes of stocks in financial markets. However, it has been demonstrated that much of the content shared in…