activity
20242026
collaborators

6 papers

cs.IR2026

Efficient Retrieval Scaling with Hierarchical Indexing for Large Scale Recommendation

Dongqi Fu, Kaushik Rangadurai, Haiyu Lu +13

The increase in data volume, computational resources, and model parameters during training has led to the development of numerous large-scale industrial retrieval models for recomm…

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.LG2025

Hierarchical LoRA MoE for Efficient CTR Model Scaling

Zhichen Zeng, Mengyue Hang, Xiaolong Liu +11

Deep models have driven significant advances in click-through rate (CTR) prediction. While vertical scaling via layer stacking improves model expressiveness, the layer-by-layer seq…

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

Hierarchical Structured Neural Network: Efficient Retrieval Scaling for Large Scale Recommendation

Kaushik Rangadurai, Siyang Yuan, Minhui Huang +12

Retrieval, the initial stage of a recommendation system, is tasked with down-selecting items from a pool of tens of millions of candidates to a few thousands. Embedding Based Retri…

cs.IR2024

A Collaborative Ensemble Framework for CTR Prediction

Xiaolong Liu, Zhichen Zeng, Xiaoyi Liu +13

Recent advances in foundation models have established scaling laws that enable the development of larger models to achieve enhanced performance, motivating extensive research into…