D. Qi and R. Sun, Learning to cooperate in solving the traveling salesman problem. International Journal of Neural Systems, Vol.15, No.1&2, pp.151-162. 2005.
R. Sun and X. Zhang, Top-down versus bottom-up learning in cognitive skill acquisition . Cognitive Systems Research, Vol.5, No.1, pp.63-89, March 2004. [Elsevier-formatted PDF]
D. Qi and R. Sun, A multi-agent system integrating reinforcement learning, bidding and genetic algorithms. Web Intelligence and Agent Systems, Vol.1, No.3-4, pp.187-202. 2003.
R. Sun, E. Merrill, and T. Peterson, From implicit skills to explicit knowledge: A bottom-up model of skill learning. Cognitive Science, Vol.25, No.2, pp.203-244. 2001. [Elsevier-formatted PDF]
R. Sun and C. Sessions, Learning plans without a priori knowledge. Adaptive Behavior, Vol.8, No.3/4, pp.225-253. 2000. [formatted PDF]
R. Sun and C. Sessions, Self-segmentation of sequences: Automatic formation of hierarchies of sequential behaviors. IEEE Transactions on Systems, Man, and Cybernetics: Part B Cybernetics, Vol.30, No.3, pp.403-418. 2000. [PDF]
R. Sun and T. Peterson, Multi-agent reinforcement learning: Weighting and partitioning. Neural Networks, Vol.12, No.4-5. pp.127-153. 1999. [Elsevier-formatted PDF]
R. Sun, T. Peterson, and E. Merrill, A hybrid architecture for situated learning of reactive sequential decision making. Applied Intelligence, Vol.11, pp.109-127. 1999.
R. Sun and T. Peterson, Some experiments with a hybrid model for learning sequential decision making. Information Sciences. vol.111, pp.83-107. 1998.
R. Sun, Learning, action, and consciousness: A hybrid approach towards modeling consciousness. Neural Networks, special issue on consciousness. 10 (7), pp.1317-1331. 1997. [Elsevier-formatted PDF]