19 citations · 25 across the 7 of their papers we have counts for
7 papers
DeTox-Fed: Detecting Toxic Conversations in the Fediverse with Federated Graph Neural Networks
Pantelitsa Leonidou, Nikos Salamanos, Sotiris Gypsiotis +1
The rise of decentralized social networks (DSNs), and in particular the rapid uptake of the Fediverse (e.g., Pleroma, Mastodon, Lemmygrad), introduces new challenges in content mod…
HyperGraphDis: Leveraging Hypergraphs for Contextual and Social-Based Disinformation Detection
Nikos Salamanos, Pantelitsa Leonidou, Nikolaos Laoutaris +3
In light of the growing impact of disinformation on social, economic, and political landscapes, accurate and efficient identification methods are increasingly critical. This paper…
Identifying Misinformation on YouTube through Transcript Contextual Analysis with Transformer Models
Christos Christodoulou, Nikos Salamanos, Pantelitsa Leonidou +2
Misinformation on YouTube is a significant concern, necessitating robust detection strategies. In this paper, we introduce a novel methodology for video classification, focusing on…
Privacy-Preserving Online Content Moderation: A Federated Learning Use Case
Pantelitsa Leonidou, Nicolas Kourtellis, Nikos Salamanos +1
Users are daily exposed to a large volume of harmful content on various social network platforms. One solution is developing online moderation tools using Machine Learning techniqu…
A Unified Graph-Based Approach to Disinformation Detection using Contextual and Semantic Relations
Marius Paraschiv, Nikos Salamanos, Costas Iordanou +2
As recent events have demonstrated, disinformation spread through social networks can have dire political, economic and social consequences. Detecting disinformation must inevitabl…
Did State-sponsored Trolls Shape the 2016 US Presidential Election Discourse? Quantifying Influence on Twitter
Nikos Salamanos, Michael J. Jensen, Costas Iordanou +1
It is a widely accepted fact that state-sponsored Twitter accounts operated during the 2016 US presidential election, spreading millions of tweets with misinformation and inflammat…
On the Influence of Twitter Trolls during the 2016 US Presidential Election
Nikos Salamanos, Michael J. Jensen, Xinlei He +2
It is a widely accepted fact that state-sponsored Twitter accounts operated during the 2016 US presidential election spreading millions of tweets with misinformation and inflammato…