@inproceedings{ijcai2009p166,
  title     = {Active Policy Iteration: Efficient Exploration through Active Learning for Value Function Approximation in Reinforcement Learning},
  author    = {Akiyama, Takayuki and Hachiya, Hirotaka and Sugiyama, Masashi},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/166},
}