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by bvm 4200 days ago
Answering your first question:

Latent Dirichlet Allocation (http://en.wikipedia.org/wiki/Latent_Dirichlet_allocation )
1 comments
iliis 4200 days ago
He links to a good explanation about topic modeling and LDA: http://tedunderwood.com/2012/04/07/topic-modeling-made-just-...
link
blowski 4200 days ago
Thank you both.
link