collaborators

5 papers

cs.CL2026

Beyond the Grid: Layout-Informed Multi-Vector Retrieval with Parsed Visual Document Representations

Yibo Yan, Mingdong Ou, Yi Cao +6

Harnessing the full potential of visually-rich documents requires retrieval systems that understand not just text, but intricate layouts, a core challenge in Visual Document Retrie…

cs.IR2026

Beyond the Flat Sequence: Hierarchical and Preference-Aware Generative Recommendations

Zerui Chen, Heng Chang, Tianying Liu +5

Generative Recommenders (GRs), exemplified by the Hierarchical Sequential Transduction Unit (HSTU), have emerged as a powerful paradigm for modeling long user interaction sequences…

cs.IR2025

User Long-Term Multi-Interest Retrieval Model for Recommendation

Yue Meng, Cheng Guo, Xiaohui Hu +4

User behavior sequence modeling, which captures user interest from rich historical interactions, is pivotal for industrial recommendation systems. Despite breakthroughs in ranking-…

cs.IR2025

USD: A User-Intent-Driven Sampling and Dual-Debiasing Framework for Large-Scale Homepage Recommendations

Jiaqi Zheng, Cheng Guo, Yi Cao +3

Large-scale homepage recommendations face critical challenges from pseudo-negative samples caused by exposure bias, where non-clicks may indicate inattention rather than disinteres…

cs.IR2025

A Generative Re-ranking Model for List-level Multi-objective Optimization at Taobao

Yue Meng, Cheng Guo, Yi Cao +2

E-commerce recommendation systems aim to generate ordered lists of items for customers, optimizing multiple business objectives, such as clicks, conversions and Gross Merchandise V…