@inproceedings{graphconstrainedreinforcementlearningfor,
  title = {Graph Constrained Reinforcement Learning for Natural Language Action Spaces},
  author = {Prithviraj Ammanabrolu and Matthew Hausknecht},
  year = {2020},
  booktitle = {ICLR 2020 1},
  eprint = {2001.08837},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2001.08837v1},
}