@article{deepreinforcementlearningforonline1,
  title = {DEAR: Deep Reinforcement Learning for Online Advertising Impression in Recommender Systems},
  author = {Xiangyu Zhao and Changsheng Gu and Haoshenglun Zhang and Xiwang Yang and Xiaobing Liu and Jiliang Tang and Hui Liu},
  year = {2019},
  eprint = {1909.03602},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.03602v3},
}