1. Asada, M., Noda, S. and Hosoda, K., “Action-based Sensor Space Categorization for Robot Learning,” inProc. of the 1996 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 96), pp. 1502–1509, IEEE, 1996.
2. Barto, A. G., Sutton, R. S. and Anderson, C. W., “Neuronlike Adaptive Elements That can Solve Difficult Learning Control Problems,”IEEE Transactions on Systems, Man, and Cybernetics, 13, 5, pp. 834–846, 1983.
3. Cohen, P. R. and Feigenbaum, E. A., eds.,The Handbook of Artificial Intelligence, 3, 14, pp. 323–511, William Kaufmann, 1982.
4. Doya, K., “Temporal Difference Learning in Continuous Time and Space,”Advances in Neural Information Processing System (Touretzky, D. S., Mozer, M. C. and Hasselmo, M. E. eds.),8, MIT Press, 1996.
5. Harnad, S., “Category Induction and Representation,” inCategorical Perception: The Groundwork of Cognition (Harnad, S. ed.),18, Cambridge University Press, 1987.