@article{optimalvalueofinformationingraphical,
  title = {Optimal Value of Information in Graphical Models},
  author = {Andreas Krause and Carlos Guestrin},
  year = {2014},
  eprint = {1401.3474},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1401.3474v1},
}