@ARTICLE{xu:in2020,

  author={X. {He} and K. {Wang} and H. {Lu} and W. {Xu} and S. {Guo}},

  journal={IEEE Network}, 

  title={Edge QoE: Intelligent Big Data Caching via Deep Reinforcement Learning}, 

  year={2020},

  volume={34},

  number={4},

  pages={8-13},}