collaborators

7 papers

cs.LG2026

Learning to Fine-tune Foundation Models under Resource Limitations

Thomas Tsouparopoulos, Iordanis Koutsopoulos

We study the problem of optimal continual fine-tuning for a pre-trained Foundation Model deployed at a resource-limited device. At each time slot, a new batch of training data arri…

cs.LG2025

Personalized Federated Learning with Exact Stochastic Gradient Descent

Sotirios Nikoloutsopoulos, Iordanis Koutsopoulos, Michalis K. Titsias

We propose a Stochastic Gradient Descent (SGD)-type algorithm for Personalized Federated Learning which can be particularly attractive for mobile energy-limited regimes due to its…

cs.NI2025

Video Quality Monitoring for Remote Autonomous Vehicle Control

Dimitrios Kafetzis, Nikos Fotiou, Savvas Argyropoulos +2

The delivery of high-quality, low-latency video streams is critical for remote autonomous vehicle control, where operators must intervene in real time. However, reliable video deli…

cs.DC2025

Large Language Model Partitioning for Low-Latency Inference at the Edge

Dimitrios Kafetzis, Ramin Khalili, Iordanis Koutsopoulos

Large Language Models (LLMs) based on autoregressive, decoder-only Transformers generate text one token at a time, where a token represents a discrete unit of text. As each newly p…

cs.DC2025

Collaborative Split Federated Learning with Parallel Training and Aggregation

Yiannis Papageorgiou, Yannis Thomas, Alexios Filippakopoulos +2

Federated learning (FL) operates based on model exchanges between the server and the clients, and it suffers from significant client-side computation and communication burden. Spli…

cs.LG2025

Explainability and Continual Learning meet Federated Learning at the Network Edge

Thomas Tsouparopoulos, Iordanis Koutsopoulos

As edge devices become more capable and pervasive in wireless networks, there is growing interest in leveraging their collective compute power for distributed learning. However, op…