1. [1] R.S. Sutton and A.G. Barto: Reinforcement learning: An introduction, A Bradford Book, MIT Press, 1998.
2. [2] C.J.C.H. Watkins and P. Dayan: Technical note: Q-learning, Machine Learning, Vol. 8, No. 3-4, pp. 55-68, 1992.
3. [3] G.A. Rummery and M. Niranjan: On-line Q-learning using connectionist systems, Technical Report CUED/F-INFENG/, TR-166, 1994.
4. [4] J.J. Grefenstette: Credit assignment in rule discovery systems based on genetic algorithms, Machine Learning, Vol. 3, No. 2-3, pp. 225-245, 1988.
5. [5] K. Miyazaki, M. Yamamura, and S. Kobayashi: A theory of profit sharing in reinforcement learning, Transactions of the Japanese Society for Artificial Intelligence, Vol. 9, No. 4, pp. 580-587, 1994 (in Japanese).