Below are given some links, which I often find useful. Some of them are generic, while others contain some useful resources on Machine Learning, NLP and Computer Science in general. I hope you will find them useful too!
Contact Information:
Department of Computer & Information Sciences
University of Pennsylvania
Levine Hall, 3330 Walnut Street
Philadelphia, PA 19104-6106
e-mail: pasingh@seas.upenn.edu | paramveerdhillon@computer.org