Artificial Intelligence

AI on the Web
http://aima.cs.berkeley.edu/ai.html

Knowledge Representation
http://www.informatics.susx.ac.uk/courses/kr/handbook.html

What is Knowledge Representation?
http://groups.csail.mit.edu/medg/ftp/psz/k-rep.html

Cyc
http://en.wikipedia.org/wiki/Cyc

Natural Language Processing for the Working Programmer (Haskell)
http://nlpwp.org/book/index.xhtml

Natural Language Processing with Python
http://www.nltk.org/book/