@inproceedings{bayesianhierarchicalreinforcementlearnin,
  title = {Bayesian Hierarchical Reinforcement Learning},
  author = {Feng Cao and Soumya Ray},
  year = {2012},
  booktitle = {NeurIPS 2012 12},
  url = {http://papers.nips.cc/paper/4752-bayesian-hierarchical-reinforcement-learning},
}