@inproceedings{zhao2021dear, title={DEAR: Deep Reinforcement Learning for Online Advertising Impression in Recommender Systems}, author={Zhao, Xiangyu and Gu, Changsheng and Zhang, Haoshenglun and Yang, Xiwang and Liu, Xiaobing and Liu, Hui and Tang, Jiliang}, booktitle={Proceedings of the AAAI Conference on Artificial Intelligence}, volume={35}, number={1}, pages={750--758}, year={2021} }