collaborators

6 papers

cs.IR2026

GR2 Technical Report

Yufei Li, Zaiwei Zhang, Mingfu Liang +67

Industrial recommendation systems serve billions of users through a multi-stage funnel -- retrieval, early-stage ranking, and re-ranking -- where the final re-ranking step dispropo…

cs.IR2026

GR2: Generative Reasoning Re-ranker

Mingfu Liang, Yufei Li, Jay Xu +20

Recent studies increasingly explore Large Language Models (LLMs) as a new paradigm for recommendation systems due to their scalability and world knowledge. However, existing work h…

cs.IR2026

ReasonRec: A Reasoning-Augmented Multimodal Agent for Unified Recommendation

Yihua Zhang, Mingfu Liang, Jiyan Yang +11

Recent advances in multimodal recommenders excel at feature fusion but remain opaque and inefficient decision-makers, lacking explicit reasoning and self-awareness of uncertainty.…

cs.IR2025

Meta Lattice: Model Space Redesign for Cost-Effective Industry-Scale Ads Recommendations

Liang Luo, Yuxin Chen, Zhengyu Zhang +39

The rapidly evolving landscape of products, surfaces, policies, and regulations poses significant challenges for deploying state-of-the-art recommendation models at industry scale,…

cs.IR2025

InterFormer: Effective Heterogeneous Interaction Learning for Click-Through Rate Prediction

Zhichen Zeng, Xiaolong Liu, Mengyue Hang +25

Click-through rate (CTR) prediction, which predicts the probability of a user clicking an ad, is a fundamental task in recommender systems. The emergence of heterogeneous informati…

cs.IR2025

DistDNAS: Search Efficient Feature Interactions within 2 Hours

Tunhou Zhang, Wei Wen, Igor Fedorov +8

Search efficiency and serving efficiency are two major axes in building feature interactions and expediting the model development process in recommender systems. On large-scale ben…