Weidong Liu

Reinforcement Learning to Optimize Long-term User Engagement in Recommender Systems

2019 · arXiv (Cornell University)

Recommender systems play a crucial role in our daily lives. Feed streaming mechanism has been widely used in the recommender system, especially on the mobile Apps. The feed streaming setting provides users the interactive manner …

Efficient Sparse Least Absolute Deviation Regression With Differential Privacy

2024 · IEEE Transactions on Information Forensics and Security

In recent years, privacy-preserving machine learning algorithms have attracted increasing attention because of their important applications in many scientific fields. However, in the literature, most privacy-preserving algorithms demand learning objectives to be strongly convex and …