@article{efficientapproximationsforthemarginal,
  title = {Efficient Approximations for the Marginal Likelihood of Incomplete Data Given a Bayesian Network},
  author = {David Maxwell Chickering and David Heckerman},
  year = {2013},
  eprint = {1302.3567},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1302.3567v2},
}