3 papers
cs.SI2026
Opinion de-polarization in social networks with GNNs
Konstantinos Mylonas, Thrasyvoulos Spyropoulos
Nowadays, social media is the ground for political debate and exchange of opinions. There is a significant amount of research that suggests that social media are highly polarized.…
math.OC2025
Setwise Coordinate Descent for Dual Asynchronous Decentralized Optimization
Marina Costantini, Nikolaos Liakopoulos, Panayotis Mertikopoulos +1
In decentralized optimization over networks, synchronizing the updates of all nodes incurs significant communication overhead. For this reason, much of the recent literature has fo…
cs.PF2025
Diversity in Network-Friendly Recommendations
Evangelia Tzimpimpaki, Thrasyvoulos Spyropoulos
In recent years, the Internet has been dominated by content-rich platforms, employing recommendation systems to provide users with more appealing content (e.g., videos in YouTube,…