@article{JMLR:v6:nakamura05a,
  author  = {Atsuyoshi Nakamura and Michael Schmitt and Niels Schmitt and Hans Ulrich Simon},
  title   = {Inner Product Spaces for Bayesian Networks},
  journal = {Journal of Machine Learning Research},
  year    = {2005},
  volume  = {6},
  number  = {47},
  pages   = {1383--1403},
  url     = {http://jmlr.org/papers/v6/nakamura05a.html}
}