collaborators

8 papers

cs.IR2026

FinSAgent: Corpus-Aligned Multi-Agent RAG Framework for Evidence-Grounded SEC Filing Question Answering

Jijun Chi, Zhenghan Tai, Hanwei Wu +21

Financial question answering over U.S. Securities and Exchange Commission (SEC) filings requires retrieving and synthesizing heterogeneous evidence dispersed across long, standardi…

cs.CL2026

SafeRx-Agent: A Knowledge-Grounded Multi-Agent Framework for Safe and Explainable Medication Recommendation

Xinyu Wang, Hanwei Wu, Zhenghan Tai +7

Medication recommendation predicts medications for patient visits, but existing methods still face two key challenges. At the model level, traditional drug recommendation methods o…

cs.CV2026

HoloQ-VLA: Uniform W4A4 Quantization of Vision-Language-Action Models

Xinyu Wang, Mingze Li, Sicheng Lyu +6

Vision-Language-Action (VLA) models unify perception, reasoning, and control in a single policy, but their multi-billion-parameter backbones and diffusion-based action heads make o…

cs.LG2026

Beyond Hard Writes and Rigid Preservation: Soft Recursive Least-Squares for Lifelong LLM Editing

Xinyu Wang, Sicheng Lyu, Yu Gu +4

Model editing updates a pre-trained LLM with new facts or rules without retraining while preserving unrelated behavior. In real deployment, edits arrive as long streams, creating a…

cs.LG2026

RL Fine-Tuning Heals OOD Forgetting in SFT

Hangzhan Jin, Sitao Luan, Tianwei Ni +5

Supervised Fine-Tuning (SFT) followed by Reinforcement Learning (RL) is a standard post-training recipe for improving Large Language Models (LLM) reasoning, but why it works remain…

cs.CL2026

EvoEdit: Evolving Null-space Alignment for Robust and Efficient Knowledge Editing

Sicheng Lyu, Yu Gu, Xinyu Wang +5

Large language models (LLMs) require continual updates to rectify outdated or erroneous knowledge. Model editing has emerged as a compelling paradigm for introducing targeted modif…