Principal Curves Page Introduction to principal curves, with summary of and links to publications, demo, and software.
Neural Network FAQ This FAQ from comp.ai.neural-nets contains the most commonly asked questions about neural networks, including some great introductory material.
Neural Network Applications Applications of neural networks for feature selection, dimension reduction and data mining.
Evolutionary Design of Neural Architectures A repository maintained by the Artificial Intelligence Research Group led by Vasant Honavar in the Department of Computer Science at Iowa State University.
Reinforcement Learning Repository A centralized resource for researchers of reinforcement learning. Maintained at University of Massachusetts, Amherst.