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cs.LG2013★ 16 cited
Variational Approximations between Mean Field Theory and the Junction Tree Algorithm
Wim Wiegerinck
Recently, variational approximations such as the mean field approximation have received much interest. We extend the standard mean field method by using an approximating distributi…
cs.LG2012
IPF for Discrete Chain Factor Graphs
Wim Wiegerinck, Tom Heskes
Iterative Proportional Fitting (IPF), combined with EM, is commonly used as an algorithm for likelihood maximization in undirected graphical models. In this paper, we present two i…