Zhejun Zhang

A Multiplicative Value Function for Safe and Efficient Reinforcement Learning

2023 · arXiv (Cornell University)

An emerging field of sequential decision problems is safe Reinforcement Learning (RL), where the objective is to maximize the reward while obeying safety constraints. Being able to handle constraints is essential for deploying RL agents …

Improving Factual Error Correction for Abstractive Summarization via Data Distillation and Conditional-Generation Cloze

2025 · IEEE Transactions on Audio Speech and Language Processing

Improving factual consistency in abstractive summarization has been a focus of recent research. One promising approach is the post-editing method. However, previous works have yet to make sufficient use of factual factors in summaries and …