Research

Research Interest

Publications

2025

The Consistency Hypothesis in Uncertainty Quantification for Large Language Models
Forty-First Conference on Uncertainty in Artificial Intelligence (UAI 2025)
Q. Xiao, D. Bhattacharjya, B. Ganesan, R. Marinescu, K. Mirylenka, N. H. Pham, M. Glass, and J. Lee

2023

Evaluating Robustness of Cooperative MARL: A Model-based Approach
2023 IEEE International Conference on Data Mining (ICDM)
N. H. Pham, L. M. Nguyen, J. Chen, H. T. Lam, S. Das, T. W. Weng

2021

FedDR–Randomized Douglas-Rachford Splitting Algorithms for Nonconvex Federated Composite Optimization
The 35th Conference on Neural Information Processing Systems (NeurIPS 2021)
Q. Tran-Dinh, N. H. Pham, D. T. Phan, and L. M. Nguyen

2021

Regression Optimization for System-level Production Control
2021 American Control Conference (ACC)
D. T. Phan, L. M. Nguyen, P. Murali, N. H. Pham, H. Liu, J. Kalagnanam

2020

Stochastic Gauss-Newton Algorithms for Nonconvex Compositional Optimization
The 37th International Conference on Machine Learning (ICML 2020)
Q. Tran-Dinh, N. H. Pham, and L. M. Nguyen
[Python Code]

2020

A Hybrid Stochastic Policy Gradient Algorithm for Reinforcement Learning
The 23rd International Conference on Artificial Intelligence and Statistics (AISTATS 2020)
N. H. Pham, L. M. Nguyen, D. T. Phan, P. H. Nguyen, M. van Dijk, and Q. Tran-Dinh
[Python Code]

2017

Autonomous Robotic System using Non-Destructive Evaluation methods for Bridge Deck Inspection
IEEE International Conference on Robotics and Automation (ICRA)
T. D. Le, S. Gibb, N. H. Pham, H. M. La, L. Falk, and T. Berendsen

2016

Design and Implementation of an Autonomous Robot for Steel Bridge Inspection
54th Annual Allerton Conference on Communication, Control, and Computing (Allerton)
N. H. Pham and H. M. La

2016

Visual and 3D Mapping for Steel Bridge Inspection Using a Climbing Robot
33rd International Symposium on Automation and Robotics in Construction and Mining (ISARC)
N. H. Pham, H. M. La, Q. P. Ha, S. N. Dang, A. H. Vo, and Q. H. Dinh

2021

A Hybrid Stochastic Optimization Framework for Composite Nonconvex Optimization
Mathematical Programming (Math. Program)
Q. Tran-Dinh, N. H. Pham, D. T. Phan, and L. M. Nguyen

2020

ProxSARAH: An Efficient Algorithmic Framework for Stochastic Composite Nonconvex Optimization
Journal of Machine Learning Research (JMLR)
N. H. Pham, L. M. Nguyen, D. T. Phan, and Q. Tran-Dinh
[Python Code]

2018

Automated Robotic Monitoring and Inspection of Steel Structures and Bridges
Robotica
H. M. La, T. H. Dinh, N. H. Pham, Q. P. Ha, and A. Q. Pham

2026

Black-Box Uncertainty Quantification for Large Language Models via Ensemble-of-Ensembles
AAAI 2026 Workshop on Assessing and Improving Reliability of Foundation Models in the Real World (AAAI 2026 Workshop)
W. Ma, D. Bhattacharjya, J. Lee, N. H. Pham, H. Kokel, Q. Ji

2025

ConstrainedSQL: Training LLMs for Text2SQL via Constrained Reinforcement Learning
NeurIPS 2025 Workshop on Efficient Reasoning (NeurIPS 2025 Workshop)
W. Chen, N. H. Pham, M. Glass, L. Vu, G. Rossiello, D. Subramanian, S. Paternain

2025

Rationalization Models for Text-to-SQL
ICLR 2025 Workshop on Reasoning and Planning for LLMs (ICLR 2025 Workshop)
G. Rossiello, N. H. Pham, M. Glass, J. Lee, D. Subramanian

2020

Convergence Rates of Accelerated Markov Gradient Descent with Applications in Reinforcement Learning
arXiv:2002.02873
T. T. Doan, L. M. Nguyen, N. H. Pham, and J. Romberg

2020

Finite-Time Analysis of Stochastic Gradient Descent under Markov Randomness
arXiv:2003.10973
T. T. Doan, L. M. Nguyen, N. H. Pham, and J. Romberg