@article{JMLR:v9:warmuth08a,
  author  = {Manfred K. Warmuth and Dima Kuzmin},
  title   = {Randomized Online PCA Algorithms with Regret Bounds that are Logarithmic in the Dimension},
  journal = {Journal of Machine Learning Research},
  year    = {2008},
  volume  = {9},
  number  = {75},
  pages   = {2287--2320},
  url     = {http://jmlr.org/papers/v9/warmuth08a.html}
}