activity
20122026
most citedCluster-GCN: An Efficient Algorithm for Training Deep and Large Graph Convolutional Networks

1.3k citations · 1.7k across the 26 of their papers we have counts for

collaborators

26 papers

cs.CL2026

APEX: Automated Prompt Engineering eXpert with Dynamic Data Selection

Fei Wang, Si Si, Cho-Jui Hsieh +1

Large Language Models are highly sensitive to prompt formulation, necessitating automatic prompt optimization to unlock their full potential. While evolutionary algorithms have eme…

cs.CL2026

GroupDPO: Memory-Efficient Group-Wise Direct Preference Optimization

Jixuan Leng, Si Si, Hsiang-Fu Yu +2

Preference optimization is widely used to align Large Language Models (LLMs) with preference feedback. However, most existing methods train on a single positive-negative pair per p…

cs.LG2024

LoRA Done RITE: Robust Invariant Transformation Equilibration for LoRA Optimization

Jui-Nan Yen, Si Si, Zhao Meng +5

Low-rank adaption (LoRA) is a widely used parameter-efficient finetuning method for LLM that reduces memory requirements. However, current LoRA optimizers lack transformation invar…

cs.AI2024★ 2 cited

Large Language Models are Interpretable Learners

Ruochen Wang, Si Si, Felix Yu +3

The trade-off between expressiveness and interpretability remains a core challenge when building human-centric predictive models for classification and decision-making. While symbo…

cs.AI2023★ 1 cited

Automatic Engineering of Long Prompts

Cho-Jui Hsieh, Si Si, Felix X. Yu +1

Large language models (LLMs) have demonstrated remarkable capabilities in solving complex open-domain tasks, guided by comprehensive instructions and demonstrations provided in the…

cs.CV2022★ 14 cited

Scaling Up Dataset Distillation to ImageNet-1K with Constant Memory

Justin Cui, Ruochen Wang, Si Si +1

Dataset Distillation is a newly emerging area that aims to distill large datasets into much smaller and highly informative synthetic ones to accelerate training and reduce storage.…