collaborators

9 papers

cs.IR2026

Sharpness-aware Model Merging with Salience Recovery for LLM-based Cross-Domain Sequential Recommendation

Huwei Ji, Jiajie Su, Yuyuan Li +2

The paper introduces SharpRec, a method that merges large language models for cross-domain sequential recommendation by using sharpness-aware geometric alignment and preference sal…

cs.NI2026

OmniPlan: An Adaptive Framework for Timely and Near-Optimal Network Planning Optimization

Longlong Zhu, Jiashuo Yu, Zedi Chen +12

Network planning optimization is a fundamental problem across diverse domains, including transportation systems, communication networks, and power grids. It requires simultaneous o…

cs.AI2026

Beyond Binary Edits Robust Multimodal Knowledge Editing with Adversarial Subspace Alignment

Haoyuan Wang, Xiaohao Liu, Jiajie Su +2

Multimodal large language models (MLLMs) need efficient mechanisms to update knowledge without degrading existing capabilities. While intrinsic multimodal knowledge editing achieve…

cs.IR2026

An item is worth one token in Multimodal Large Language Models-based Sequential Recommendation

Qiyong Zhong, Jiajie Su, Ming Yang +3

Sequential recommendations (SR) predict users' future interactions based on their historical behavior. The rise of Large Language Models (LLMs) has brought powerful generative and…

cs.LG2026

Generalizable Multimodal Large Language Model Editing via Invariant Trajectory Learning

Jiajie Su, Haoyuan Wang, Xiaohua Feng +6

Knowledge editing emerges as a crucial technique for efficiently correcting incorrect or outdated knowledge in large language models (LLM). Existing editing methods rely on a rigid…

cs.LG2025

Potent but Stealthy: Rethink Profile Pollution against Sequential Recommendation via Bi-level Constrained Reinforcement Paradigm

Jiajie Su, Zihan Nan, Yunshan Ma +6

Sequential Recommenders, which exploit dynamic user intents through interaction sequences, is vulnerable to adversarial attacks. While existing attacks primarily rely on data poiso…