activity
20082026
most citedAn approximation algorithm for joint caching and recommendations in cache networks

29 citations · 91 across the 23 of their papers we have counts for

collaborators

25 papers

cs.LG2026

From Shortcut Learning to Discrete Neural Insertion Sort

Konstantinos Mylonas, Thrasyvoulos Spyropoulos

Neural algorithmic reasoning aims to train neural networks to follow known algorithms and generalize beyond the input sizes seen during training. However, correct final outputs and…

math.OC2025★ 2 cited

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.SI2024

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.…

cs.PF2024

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,…

cs.LG2023

FedDec: Peer-to-peer Aided Federated Learning

Marina Costantini, Giovanni Neglia, Thrasyvoulos Spyropoulos

Federated learning (FL) has enabled training machine learning models exploiting the data of multiple agents without compromising privacy. However, FL is known to be vulnerable to d…

cs.NI2023★ 4 cited

Quid pro Quo in Streaming Services: Algorithms for Cooperative Recommendations

Dimitra Tsigkari, George Iosifidis, Thrasyvoulos Spyropoulos

Recommendations are employed by Content Providers (CPs) of streaming services in order to boost user engagement and their revenues. Recent works suggest that nudging recommendation…