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A comment on Latent Semantic Analysis Tutorial.

Re:Latent Semantic Analysis Tutorial by beagle3 on Sunday September 30, 2012 @11:50PM (#4595224)
State of the art implementation, using random projection for reasonably accurate yet hundreds to thousands of times faster: http://radimrehurek.com/gensim/

Random Projection is something you should be aware of if you do any kind of large dimensional modeling. It is magic.

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Re:Latent Semantic Analysis Tutorial by vedrana on Monday October 01, 2012 @02:26AM (#4595609)
Also, random indexing, which is in its theoretic essence the same thing: http://www.sics.se/~mange/random_indexing.html
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