@article{zhao2019deep, title={Deep reinforcement learning for search, recommendation, and online advertising: a survey by Xiangyu Zhao, Long Xia, Jiliang Tang, and Dawei Yin with Martin Vesely as coordinator}, author={Zhao, Xiangyu and Xia, Long and Tang, Jiliang and Yin, Dawei}, journal={ACM SIGWEB Newsletter}, number={Spring}, pages={4}, year={2019}, publisher={ACM} }