collaborators

6 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.IR2025

CAT-ID: Category-Tree Integrated Document Identifier Learning for Generative Retrieval In E-commerce

Xiaoyu Liu, Fuwei Zhang, Yiqing Wu +6

Generative retrieval (GR) has gained significant attention as an effective paradigm that integrates the capabilities of large language models (LLMs). It generally consists of two s…

cs.IR2025

A Soft-partitioned Semi-supervised Collaborative Transfer Learning Approach for Multi-Domain Recommendation

Xiaoyu Liu, Yiqing Wu, Ruidong Han +3

In industrial practice, Multi-domain Recommendation (MDR) plays a crucial role. Shared-specific architectures are widely used in industrial solutions to capture shared and unique a…

cs.IR2025

IterQR: An Iterative Framework for LLM-based Query Rewrite in e-Commercial Search System

Shangyu Chen, Xinyu Jia, Yingfei Zhang +3

The essence of modern e-Commercial search system lies in matching user's intent and available candidates depending on user's query, providing personalized and precise service. Howe…