@article{actiongrammarsacognitivemodelfor,
  title = {Semantic RL with Action Grammars: Data-Efficient Learning of Hierarchical Task Abstractions},
  author = {Robert Tjarko Lange and Aldo Faisal},
  year = {2019},
  eprint = {1907.12477},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1907.12477v2},
}