%0 Journal Article %1 339252 %A Jordan, Michael I. %A Ghahramani, Zoubin %A Jaakkola, Tommi S. %A Saul, Lawrence K. %C Hingham, MA, USA %D 1999 %I Kluwer Academic Publishers %J Mach. Learn. %K bayesian graphical models variational %N 2 %P 183--233 %T An Introduction to Variational Methods for Graphical Models %U http://portal.acm.org/citation.cfm?id=339248.339252 %V 37