@inproceedings{lookbeforeyouleapbridgingmodelfreeand,
  title = {Look Before You Leap: Bridging Model-Free and Model-Based Reinforcement Learning for Planned-Ahead Vision-and-Language Navigation},
  author = {Xin Wang and Wenhan Xiong and Hongmin Wang and William Yang Wang},
  year = {2018},
  booktitle = {ECCV 2018 9},
  eprint = {1803.07729},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1803.07729v2},
}