4 papers
When Mean Age Is Not Enough: Distribution-Aware Scheduling for Networked LQR Control
Abdullah Y. Etcibasi, C. Emre Koksal, Eylem Ekici
Age of Information (AoI) has become a central metric for the design of wireless update systems, especially in applications where fresh measurements support tracking, estimation, an…
FIRM: Federated In-client Regularized Multi-objective Alignment for Large Language Models
Fatemeh Nourzad, Amirhossein Roknilamouki, Eylem Ekici +2
Aligning Large Language Models (LLMs) with human values often involves balancing multiple, conflicting objectives such as helpfulness and harmlessness. Training these models is com…
Escaping Offline Pessimism: Vector-Field Reward Shaping for Safe Frontier Exploration
Amirhossein Roknilamouki, Arnob Ghosh, Eylem Ekici +1
While offline reinforcement learning provides reliable policies for real-world deployment, its inherent pessimism severely restricts an agent's ability to explore and collect novel…
Online Learning for Optimizing AoI-Energy Tradeoff under Unknown Channel Statistics
Mohamed A. Abd-Elmagid, Ming Shi, Eylem Ekici +1
We consider a real-time monitoring system where a source node (with energy limitations) aims to keep the information status at a destination node as fresh as possible by scheduling…