Our social communications and the expression of our beliefs and thoughts are becoming
increasingly mediated and diffused by online social media. Beyond countless other …

Online harassment on social media platforms is a pressing matter for which users are not
well equipped to handle or avoid. Twitter users can take advantage of third-party websites to …

The proliferation of harmful content on online platforms is a major societal problem, which
comes in many different forms, including hate speech, offensive language, bullying and …

Social media have been deliberately used for malicious purposes, including political
manipulation and disinformation. Most research focuses on high-resource languages …

Social media sites facilitate users in posting their own personal comments online. Most
support free format user posting, with close to real-time publishing speeds. However, online …

Item ranking is important to a social media platform's success. The order in which posts,
videos, messages, comments, ads, used products, notifications are presented to a user …

Cyberbullying and cyberaggression are increasingly worrisome phenomena affecting
people across all demographics. More than half of young social media users worldwide …

In recent years, bullying and aggression against social media users have grown
significantly, causing serious consequences to victims of all demographics. Nowadays …

As social networking sites have risen in popularity, cyber-criminals started to exploit these
sites to spread malware and to carry out scams. Previous work has extensively studied the …

Fabricated media from deep learning models, or deepfakes, have been recently applied to
facilitate social engineering efforts by constructing a trusted social persona. While existing …