@article{
qi2026bilevel,
title={Bi-level Hierarchical Neural Contextual Bandits for Online Recommendation},
author={Yunzhe Qi and Yao Zhou and Yikun Ban and Allan Stewart and Chuanwei Ruan and Jiachuan He and Shishir Kumar Prasad and Haixun Wang and Jingrui He},
journal={Transactions on Machine Learning Research},
issn={2835-8856},
year={2026},
url={https://openreview.net/forum?id=k3XsA75SGv},
note={J2C Certification}
}