1. Alpaydin, E.: Introduction to Machine learning. The MIT Press (2010)
2. Azar, M.G., Munos, R., Ghavamzadaeh, M., Kappen, H.J.: Speedy Q-learning. Advances in Neural Information Processing Systems (2011)
3. Bakker, B., Schmidhuber, J.: Hierarchical reinforcement learning based on subgoal discovery and subpolicy specialization. In: Proceedings of the 8th Conference on Intelligent Autonomous Systems, IAS-8, pp. 438–445 (2004)
4. Baxter, J., Tridgell, A., Weaver, L.: Knightcap: A chess program that learns by combining TD(λ) with minimax search. Tech. rep., Australian National University, Canberra (1997)
5. Berliner, H.: Experiences in evaluation with BKG - a program that plays backgammon. In: Proceedings of IJCAI, pp. 428–433 (1977)