LDA has been used for a while. How much better can that get? It definitely isn't new. http://www.seomoz.org/blog/lda-and-googles-rankings-well-correlated http:

LDA has been used for a while. How much better can that get? It definitely isn't new. http://www.seomoz.org/blog/lda-and-googles-rankings-well-correlated http://www.seomoz.org/blog/lda-and-googles-rankings-well-cor...