Dear all
I found a nice article about "probabilistic topic model"
in Communications of ACM:
David M. Blei:
"Probabilistic topic models"
Communications of the ACM,
Volume 55 Issue 4, April 2012,
Pages 77-84
http://dl.acm.org/citation.cfm?id=2133826
For your information!
Best regards,
Kazunari Sugiyama