activity
20242026
most citedHierarchical Structured Neural Network: Efficient Retrieval Scaling for Large Scale Recommendation

1 citations · 1 across the 4 of their papers we have counts for

collaborators

5 papers

cs.LG2026

Reinforcement Learning for Controller Parameters in the Auto-Bidding System at Pinterest

Yichu Zhou, Qinyi Chen, Fei Feng +5

Auto-bidding systems in online advertising must balance competing objectives-maximizing budget delivery while minimizing cost per action-across heterogeneous campaigns under non-st…

cs.IR2026

A Production-Ready RL Framework for Personalized Utility Tuning with Pareto Sweeping in Pinterest Recommender Systems

Yichu Zhou, Mehdi Ben Ayed, Lin Yang +9

Large-scale recommenders encode multi-objective trade-offs by combining multiple predicted outcomes into a single utility score. Although this utility layer can be updated independ…

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

Enhancing Embedding Representation Stability in Recommendation Systems with Semantic ID

Carolina Zheng, Minhui Huang, Dmitrii Pedchenko +15

The exponential growth of online content has posed significant challenges to ID-based models in industrial recommendation systems, ranging from extremely high cardinality and dynam…

cs.IR2024★ 1 cited

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…