@incollection {NIPS2003_AA25,
  author = " Thomas Minka and  Yuan Qi",
  title = " Tree-structured Approximations by Expectation Propagation",
  booktitle = "Advances in Neural Information Processing Systems 16",
  editor = "Sebastian Thrun and Lawrence Saul and Bernhard {Sch\"{o}lkopf}",
  publisher = "MIT Press",
  address = "Cambridge, MA",
  year = "2004",
  keywords = "approximate inference, Bayesian inference, Bayesian networks, belief propagation, Boltzmann machine",
  }