Hung Le

Beyond the Known: Decision Making with Counterfactual Reasoning Decision Transformer

2024

Decision Transformers (DT) play a crucial role in modern reinforcement learning, leveraging offline datasets to achieve impressive results across various domains. However, DT requires high-quality, comprehensive data to perform optimally. In real-world applications, the lack …

On the Role of Discrete Representation in Sparse Mixture of Experts

2024 · arXiv (Cornell University)

Sparse mixture of experts (SMoE) is an effective solution for scaling up model capacity without increasing the computational costs. A crucial component of SMoE is the router, responsible for directing the input to relevant experts; …

CodeTree: Agent-guided Tree Search for Code Generation with Large Language Models

2025

Jierui Li, Hung Le, Yingbo Zhou, Caiming Xiong, Silvio Savarese, Doyen Sahoo. Proceedings of the 2025 Conference of the Nations of the Americas Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: …