collaborators

7 papers

cs.AI2026

Pailitao-MMSearch: Building Native E-Commerce Multimodal Search Foundation

Xiaohan Ye, Xu Chen, Zihan Gong +15

The evolution of e-commerce has fundamentally transformed how users search for products, shifting from simple text-based keyword queries to complex multimodal interactions that sea…

cs.IR2026

Pailitao-VL: Unified Embedding and Reranker for Real-Time Multi-Modal Industrial Search

Lei Chen, Chen Ju, Xu Chen +13

In this work, we presented Pailitao-VL, a comprehensive multi-modal retrieval system engineered for high-precision, real-time industrial search. We here address three critical chal…

cs.IR2025

Enhancing Sequential Recommendation with World Knowledge from Large Language Models

Tianjie Dai, Xu Chen, Yunmeng Shu +4

Sequential Recommendation System~(SRS) has become pivotal in modern society, which predicts subsequent actions based on the user's historical behavior. However, traditional collabo…

cs.LG2025

Explore More, Learn Better: Parallel MLLM Embeddings under Mutual Information Minimization

Zhicheng Wang, Chen Ju, Xu Chen +5

Embedding models are a cornerstone of modern AI. Driven by Multimodal Large Language Models (MLLMs), they have made great progress in architecture and data curation, while the holi…

cs.CV2025

Wave-Particle (Continuous-Discrete) Dualistic Visual Tokenization for Unified Understanding and Generation

Yizhu Chen, Chen Ju, Zhicheng Wang +5

The unification of understanding and generation within a single multi-modal large model (MLLM) remains one significant challenge, largely due to the dichotomy between continuous an…

cs.IR2025

Leveraging Scene Context with Dual Networks for Sequential User Behavior Modeling

Xu Chen, Yunmeng Shu, Yuangang Pan +6

Modeling sequential user behaviors for future behavior prediction is crucial in improving user's information retrieval experience. Recent studies highlight the importance of incorp…