activity
20242026
collaborators

9 papers

cs.IR2026

Why Thinking Hurts: Diagnosing and Rectifying Linguistic Inertia in Large Language Models for Recommendation

Luankang Zhang, Yonghao Huang, Hang Lv +6

Chain-of-Thought (CoT) reasoning is widely used to improve LLM performance, and recent foundation recommender models adopt it by generating textual reasoning before predicting targ…

cs.IR2026

Can Recommender Systems Teach Themselves? A Recursive Self-Improving Framework with Fidelity Control

Luankang Zhang, Hao Wang, Zhongzhou Liu +8

The scarcity of high-quality training data presents a fundamental bottleneck to scaling machine learning models. This challenge is particularly acute in recommendation systems, whe…

cs.IR2026

FuXi-Linear: Unleashing the Power of Linear Attention in Long-term Time-aware Sequential Recommendation

Yufei Ye, Wei Guo, Hao Wang +7

Modern recommendation systems primarily rely on attention mechanisms with quadratic complexity, which limits their ability to handle long user sequences and slows down inference. W…

cs.IR2026

The Next Paradigm Is User-Centric Agent, Not Platform-Centric Service

Luankang Zhang, Hang Lv, Qiushi Pan +8

Modern digital services have evolved into indispensable tools, driving the present large-scale information systems. Yet, the prevailing platform-centric model, where services are o…

cs.IR2025

Revisiting scalable sequential recommendation with Multi-Embedding Approach and Mixture-of-Experts

Qiushi Pan, Hao Wang, Guoyuan An +3

In recommendation systems, how to effectively scale up recommendation models has been an essential research topic. While significant progress has been made in developing advanced a…

cs.IR2025

Killing Two Birds with One Stone: Unifying Retrieval and Ranking with a Single Generative Recommendation Model

Luankang Zhang, Kenan Song, Yi Quan Lee +7

In recommendation systems, the traditional multi-stage paradigm, which includes retrieval and ranking, often suffers from information loss between stages and diminishes performance…