activity
20232025
collaborators

5 papers

cs.IR2025

Hierarchical Group-wise Ranking Framework for Recommendation Models

YaChen Yan, Liubo Li, Ravi Choudhary

In modern recommender systems, CTR/CVR models are increasingly trained with ranking objectives to improve item ranking quality. While this shift aligns training more closely with s…

cs.IR2024

RankTower: A Synergistic Framework for Enhancing Two-Tower Pre-Ranking Model

YaChen Yan, Liubo Li

In large-scale ranking systems, cascading architectures have been widely adopted to achieve a balance between efficiency and effectiveness. The pre-ranking module plays a vital rol…

cs.IR2023

AdaEnsemble: Learning Adaptively Sparse Structured Ensemble Network for Click-Through Rate Prediction

YaChen Yan, Liubo Li

Learning feature interactions is crucial to success for large-scale CTR prediction in recommender systems and Ads ranking. Researchers and practitioners extensively proposed variou…

cs.IR2023

DynInt: Dynamic Interaction Modeling for Large-scale Click-Through Rate Prediction

YaChen Yan, Liubo Li

Learning feature interactions is the key to success for the large-scale CTR prediction in Ads ranking and recommender systems. In industry, deep neural network-based models are wid…

cs.LG2023

xDeepInt: a hybrid architecture for modeling the vector-wise and bit-wise feature interactions

YaChen Yan, Liubo Li

Learning feature interactions is the key to success for the large-scale CTR prediction and recommendation. In practice, handcrafted feature engineering usually requires exhaustive…