一作ACL 2026Poster· Natural Language Processing
The Bidirectional Process Reward Model
Lingyin Zhang · Jun Gao · Xiaoxue Ren · Ziqiang Cao
摘要
Process Reward Models (PRMs), which assign fine-grained scores to intermediate reasoning steps within a solution trajectory, have emerged as a promising approach to enhance the reasoning quality of Large Language Models (LLMs).However, most existing PRMs rely on a unidirectional left-to-right (L2...