collaborators

6 papers

cs.LG2026

BalDRO: A Distributionally Robust Optimization based Framework for Large Language Model Unlearning

Pengyang Shao, Naixin Zhai, Lei Chen +4

As Large Language Models (LLMs) increasingly shape online content, removing targeted information from well-trained LLMs (also known as LLM unlearning) has become critical for web g…

cs.LG2026

Sharpness-Aware Poisoning: Enhancing Transferability of Injective Attacks on Recommender Systems

Junsong Xie, Yonghui Yang, Pengyang Shao +1

Recommender Systems~(RS) have been shown to be vulnerable to injective attacks, where attackers inject limited fake user profiles to promote the exposure of target items to real us…

cs.CL2026

Maximizing Local Entropy Where It Matters: Prefix-Aware Localized LLM Unlearning

Naixin Zhai, Pengyang Shao, Binbin Zheng +4

Machine unlearning aims to forget sensitive knowledge from Large Language Models (LLMs) while maintaining general utility. However, existing approaches typically treat all tokens i…

cs.SE2026

StressWeb: A Diagnostic Benchmark for Web Agent Robustness under Realistic Interaction Variability

Haoyue Bai, Dong Wang, Long Chen +5

Large language model-based web agents have demonstrated strong performance on realistic web interaction tasks. However, existing evaluations are predominantly conducted under relat…

cs.MA2026

FinDeepForecast: A Live Multi-Agent System for Benchmarking Deep Research Agents in Financial Forecasting

Xiangyu Li, Xuan Yao, Guohao Qi +16

Deep Research (DR) Agents powered by advanced Large Language Models (LLMs) have fundamentally shifted the paradigm for completing complex research tasks. Yet, a comprehensive and l…

cs.IR2025

Understanding Embedding Scaling in Collaborative Filtering

Yicheng He, Zhou Kaiyu, Haoyue Bai +2

Scaling recommendation models into large recommendation models has become one of the most widely discussed topics. Recent efforts focus on components beyond the scaling embedding d…