@article{deephierarchicalreinforcementlearning1,
  title = {Deep Hierarchical Reinforcement Learning Based Recommendations via Multi-goals Abstraction},
  author = {Dongyang Zhao and Liang Zhang and Bo Zhang and Lizhou Zheng and Yongjun Bao and Weipeng Yan},
  year = {2019},
  eprint = {1903.09374},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1903.09374v1},
}