@article{JMLR:v14:ruozzi13a,
  author  = {Nicholas Ruozzi and Sekhar Tatikonda},
  title   = {Message-Passing Algorithms for Quadratic Minimization},
  journal = {Journal of Machine Learning Research},
  year    = {2013},
  volume  = {14},
  number  = {69},
  pages   = {2287--2314},
  url     = {http://jmlr.org/papers/v14/ruozzi13a.html}
}