State of the art implementation, using random projection for reasonably accurate... | Hacker News

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		beagle3 on Oct 1, 2012 \| parent \| context \| favorite \| on: Latent Semantic Analysis Tutorial 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.

vedrana on Oct 1, 2012 [–]

Also, random indexing, which is in its theoretic essence the same thing: http://www.sics.se/~mange/random_indexing.html

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