collaborators

5 papers

cs.IR2026

Requirement--Evidence Alignment for Compositional E-Commerce Queries

Weihao Shen, Wei Chen, Fuwei Zhang +6

Compositional e-commerce queries express multiple requirements that must hold jointly, yet existing rerankers collapse these constraints into aggregate relevance and often promote…

cs.IR2026

Unpaired Modality-Agnostic Generative Recommendation

Weihao Shen, Wei Chen, Fuwei Zhang +6

Generative Recommendation (GR) formulates recommendation as autoregressive generation over discrete semantic identifiers (IDs). Although recent multimodal GR methods improve semant…

cs.IR2026

CORE: A Unified Cascaded Ordinal Relevance Estimation Framework for E-commerce Search

Zhi Jin, Xi Wang, Yunfei Li +3

Ranking relevance is a fundamental task in e-commerce search, directly affecting ranking quality and consumer experience. Although inherently an ordinal classification problem, it…

cs.IR2026

GAP-Net: Calibrating User Intent via Gated Adaptive Progressive Learning for CTR Prediction

Shenqiang Ke, Jianxiong Wei, Qingsong Hua

Sequential user behavior modeling is pivotal for Click-Through Rate (CTR) prediction yet is hindered by three intrinsic bottlenecks: (1) the "Attention Sink" phenomenon, where stan…

cs.IR2024

Treatment Effect Estimation for User Interest Exploration on Recommender Systems

Jiaju Chen, Wenjie Wang, Chongming Gao +3

Recommender systems learn personalized user preferences from user feedback like clicks. However, user feedback is usually biased towards partially observed interests, leaving many…