activity
20242026
most citedCausal-Guided Active Learning for Debiasing Large Language Models

1 citations · 1 across the 8 of their papers we have counts for

collaborators

10 papers

cs.AI2026

LSR-Ben: A Logical and Scientific Reasoning Benchmark for Evaluating Process Reward Models

Zhouhao Sun, Xuan Zhang, Xiao Ding +10

Currently, process reward models (PRMs) have exhibited remarkable potential for test-time scaling. Since large language models (LLMs) regularly generate flawed intermediate reasoni…

cs.AI2026

Consolidation or Adaptation? PRISM: Disentangling SFT and RL Data via Gradient Concentration

Yang Zhao, Yangou Ouyang, Xiao Ding +8

While Hybrid Supervised Fine-Tuning (SFT) followed by Reinforcement Learning (RL) has become the standard paradigm for training LLM agents, effective mechanisms for data allocation…

cs.LG2026

MAESTRO: Meta-learning Adaptive Estimation of Scalarization Trade-offs for Reward Optimization

Yang Zhao, Hepeng Wang, Xiao Ding +8

Group-Relative Policy Optimization (GRPO) has emerged as an efficient paradigm for aligning Large Language Models (LLMs), yet its efficacy is primarily confined to domains with ver…

cs.CL2025

Information Gain-Guided Causal Intervention for Autonomous Debiasing Large Language Models

Zhouhao Sun, Xiao Ding, Li Du +5

Despite significant progress, recent studies indicate that current large language models (LLMs) may still capture dataset biases and utilize them during inference, leading to the p…

cs.LG2025

UFO-RL: Uncertainty-Focused Optimization for Efficient Reinforcement Learning Data Selection

Yang Zhao, Kai Xiong, Xiao Ding +9

Scaling RL for LLMs is computationally expensive, largely due to multi-sampling for policy optimization and evaluation, making efficient data selection crucial. Inspired by the Zon…

cs.CL2025

Large Language Models Are Still Misled by Simple Bias Ensembles

Zhouhao Sun, Zhiyuan Kan, Xiao Ding +5

With the evolution of large language models (LLMs), their robustness against individual simple biases has been enhanced. However, we observe that the ensemble of multiple simple bi…

cs.CL2025

Beyond Similarity: A Gradient-based Graph Method for Instruction Tuning Data Selection

Yang Zhao, Li Du, Xiao Ding +10

Large language models (LLMs) have shown great potential across various industries due to their remarkable ability to generalize through instruction tuning. However, the limited ava…

cs.LG2024

Supervised Fine-Tuning Achieve Rapid Task Adaption Via Alternating Attention Head Activation Patterns

Yang Zhao, Li Du, Xiao Ding +3

LLMs' performance on complex tasks is still unsatisfactory. A key issue is that presently LLMs learn in a data-driven schema, while the instructions about these complex tasks are b…

cs.CL2024★ 1 cited

Causal-Guided Active Learning for Debiasing Large Language Models

Li Du, Zhouhao Sun, Xiao Ding +5

Although achieving promising performance, recent analyses show that current generative large language models (LLMs) may still capture dataset biases and utilize them for generation…

cs.CL2024

Deciphering the Impact of Pretraining Data on Large Language Models through Machine Unlearning

Yang Zhao, Li Du, Xiao Ding +5

Through pretraining on a corpus with various sources, Large Language Models (LLMs) have gained impressive performance. However, the impact of each component of the pretraining corp…