collaborators

5 papers

cs.AI2026

The World Won't Stay Still: Programmable Evolution for Agent Benchmarks

Guangrui Li, Yaochen Xie, Yi Liu +11

LLM-powered tool-calling agents fulfill user requests by interacting with environments, querying data, and invoking tools in a multi-turn process. Yet, most existing benchmarks eva…

cs.LG2025

Adapt-Pruner: Adaptive Structural Pruning for Efficient Small Language Model Training

Rui Pan, Shivanshu Shekhar, Boyao Wang +5

Small language models (SLMs) have attracted considerable attention from both academia and industry due to their broad range of applications in edge devices. To obtain SLMs with str…

cs.AI2025

Understanding Overadaptation in Supervised Fine-Tuning: The Role of Ensemble Methods

Yifan Hao, Xingyuan Pan, Hanning Zhang +3

Supervised fine-tuning (SFT) on domain-specific data is the dominant approach for adapting foundation models to specialized tasks. However, it has been observed that SFT models ten…

cs.LG2025

Daunce: Data Attribution through Uncertainty Estimation

Xingyuan Pan, Chenlu Ye, Joseph Melkonian +2

Training data attribution (TDA) methods aim to identify which training examples influence a model's predictions on specific test data most. By quantifying these influences, TDA sup…

cs.LG2025

ScaleBiO: Scalable Bilevel Optimization for LLM Data Reweighting

Rui Pan, Dylan Zhang, Hanning Zhang +6

Bilevel optimization has shown its utility across various machine learning settings, yet most algorithms in practice require second-order information, making it challenging to scal…