@inproceedings{ding2018hierarchical, title={Hierarchical reinforcement learning framework towards multi-agent navigation}, author={Ding, Wenhao and Li, Shuaijun and Qian, Huihuan and Chen, Yongquan}, booktitle={2018 IEEE International Conference on Robotics and Biomimetics (ROBIO)}, pages={237--242}, year={2018}, organization={IEEE} }