activity
20242026
collaborators

5 papers

cs.LG2026

HindSearch: Trajectory-Level Hindsight Critique for Search-Augmented Reinforcement Learning

Haowei Liu, Jiamian Wang, Hsin-Tai Wu +2

Search-augmented LM agents are typically trained with a binary exact-match reward, which throws away most of what a failed trajectory tells us about why it failed. We introduce Hin…

cs.CL2025

A Survey on Feedback-based Multi-step Reasoning for Large Language Models on Mathematics

Ting-Ruen Wei, Haowei Liu, Xuyang Wu +1

Recent progress in large language models (LLM) found chain-of-thought prompting strategies to improve the reasoning ability of LLMs by encouraging problem solving through multiple…

cs.CV2024

CLERF: Contrastive LEaRning for Full Range Head Pose Estimation

Ting-Ruen Wei, Haowei Liu, Huei-Chung Hu +3

We introduce a novel framework for representation learning in head pose estimation (HPE). Previously such a scheme was difficult due to head pose data sparsity, making triplet samp…

cs.IR2024

RaCT: Ranking-aware Chain-of-Thought Optimization for LLMs

Haowei Liu, Xuyang Wu, Guohao Sun +2

In information retrieval, large language models (LLMs) have demonstrated remarkable potential in text reranking tasks by leveraging their sophisticated natural language understandi…

cs.CV2024

Full-range Head Pose Geometric Data Augmentations

Huei-Chung Hu, Xuyang Wu, Haowei Liu +2

Many head pose estimation (HPE) methods promise the ability to create full-range datasets, theoretically allowing the estimation of the rotation and positioning of the head from va…