collaborators

6 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

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.LG2025

Can Slow-thinking LLMs Reason Over Time? Empirical Studies in Time Series Forecasting

Mingyue Cheng, Jiahao Wang, Daoyu Wang +3

Time series forecasting (TSF) is a fundamental and widely studied task, spanning methods from classical statistical approaches to modern deep learning and multimodal language model…

cs.IR2025

Rethinking Purity and Diversity in Multi-Behavior Sequential Recommendation from the Frequency Perspective

Yongqiang Han, Kai Cheng, Kefan Wang +1

In recommendation systems, users often exhibit multiple behaviors, such as browsing, clicking, and purchasing. Multi-behavior sequential recommendation (MBSR) aims to consider thes…

cs.AI2025

TestAgent: An Adaptive and Intelligent Expert for Human Assessment

Junhao Yu, Yan Zhuang, YuXuan Sun +5

Accurately assessing internal human states is key to understanding preferences, offering personalized services, and identifying challenges in real-world applications. Originating f…