@article{hierarchicalbayesianpersonalized,
  title = {Hierarchical Bayesian Personalized Recommendation: A Case Study and Beyond},
  author = {Zitao Liu and Zhexuan Xu and Yan Yan},
  year = {2019},
  eprint = {1908.07371},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1908.07371v1},
}