collaborators

5 papers

cs.IR2026

Memento: Personalized RAG-Style Long-Retention Data Scaling for META Ads Recommendation

Xiaoyu Chen, Ruichen Wang, Jieming Di +21

Modeling of long history data suffers from long-context window attention dilution, system efficiency and catastrophic forgetting problems, where naive linear scaling approach like…

cs.IR2026

Intelligent Elastic Feature Fading: Enabling Model Retrain-Free Feature Efficiency Rollouts at Scale

Jieming Di, Xiaoyu Chen, Ying She +21

Large-scale ranking systems depend on thousands of features derived from user behavior across multiple time horizons. Typically requires model retraining -- resulting in long itera…

cs.IR2026

LLaTTE: Scaling Laws for Multi-Stage Sequence Modeling in Large-Scale Ads Recommendation

Lee Xiong, Zhirong Chen, Rahul Mayuranath +17

We present LLaTTE (LLM-Style Latent Transformers for Temporal Events), a scalable transformer architecture for production ads recommendation. Through systematic experiments, we dem…

cs.IR2025

ORBIT -- Open Recommendation Benchmark for Reproducible Research with Hidden Tests

Jingyuan He, Jiongnan Liu, Vishan Vishesh Oberoi +7

Recommender systems are among the most impactful AI applications, interacting with billions of users every day, guiding them to relevant products, services, or information tailored…

cs.CL2025

Group-Level Data Selection for Efficient Pretraining

Zichun Yu, Fei Peng, Jie Lei +3

In this paper, we introduce Group-MATES, an efficient group-level data selection approach to optimize the speed-quality frontier of language model pretraining. Specifically, Group-…