@article{autonomousextractionofahierarchical,
  title = {Autonomous Extraction of a Hierarchical Structure of Tasks in Reinforcement Learning, A Sequential Associate Rule Mining Approach},
  author = {Behzad Ghazanfari and Fatemeh Afghah and Matthew E. Taylor},
  year = {2018},
  eprint = {1811.08275},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1811.08275v1},
}