NLP
Web 1T 5-gram Version 1 ldc upenn
ldc new corpora link
Suffix Array Analysis Tutorial of the SALM package
Visual Wordnet [1]
Word Vectors
Gloss vector overlap http://www.d.umn.edu/~tpederse/Pubs/ijcai03.pdf
Second order co-occurence vectors
Opinion Mining
http://wiki.cse.cuhk.edu.hk/irwin.king/kb/opinionmining
SensiWordNet - a publicly available resource for opinion mining.