Ensemble reinforcement learning: A survey

Y Song, PN Suganthan, W Pedrycz, J Ou, Y He… - Applied Soft …, 2023 - Elsevier
Reinforcement Learning (RL) has emerged as a highly effective technique for addressing
various scientific and applied problems. Despite its success, certain complex tasks remain …

Weighted ensembles for active learning with adaptivity

KD Polyzos, Q Lu, GB Giannakis - arXiv preprint arXiv:2206.05009, 2022 - arxiv.org
Labeled data can be expensive to acquire in several application domains, including medical
imaging, robotics, and computer vision. To efficiently train machine learning models under …

Surrogate modeling for Bayesian optimization beyond a single Gaussian process

Q Lu, KD Polyzos, B Li, GB Giannakis - arXiv preprint arXiv:2205.14090, 2022 - arxiv.org
Bayesian optimization (BO) has well-documented merits for optimizing black-box functions
with an expensive evaluation cost. Such functions emerge in applications as diverse as …

Active sampling over graphs for Bayesian reconstruction with Gaussian ensembles

KD Polyzos, Q Lu, GB Giannakis - 2022 56th Asilomar …, 2022 - ieeexplore.ieee.org
Graph-guided semi-supervised learning (SSL) has gained popularity in several network
science applications, including biological, social, and financial ones. SSL becomes …

Gaussian Process-based Active Learning for Efficient Cardiovascular Disease Inference

SC Tassi, KD Polyzos, DI Fotiadis… - … on Bioinformatics and …, 2023 - ieeexplore.ieee.org
Cardiovascular disease (CVD) poses a significant global health challenge, and accurate
inference methods are vital for early detection and intervention. However, the quality of …

Multi-Agent Reinforcement Learning with Shared Policy for Cloud Quota Management Problem

T Cheng, H Dong, L Wang, B Qiao, S Qin… - … Proceedings of the …, 2023 - dl.acm.org
Quota is often used in resource allocation and management scenarios to prevent abuse of
resource and increase the efficiency of resource utilization. Quota management is usually …

Simpler Yet Smarter AI: Learn and Optimize With Just a Few Labeled Data

K Polyzos - 2024 - search.proquest.com
Abstract Machine learning (ML) has gained popularity due to its well-documented merits in
several inference tasks across diverse applications including healthcare, robotics and …

Communication-Efficient Optimization and Learning for Distributed Multi-Agent Systems

P Xu - 2022 - search.proquest.com
Distributed learning has attracted extensive interest in recent years, owing to the explosion
of data generated from mobile sensors, social media services, and other networked multi …