@article{JMLR:v16:cunningham15a,
  author  = {John P. Cunningham and Zoubin Ghahramani},
  title   = {Linear Dimensionality Reduction: Survey, Insights, and Generalizations},
  journal = {Journal of Machine Learning Research},
  year    = {2015},
  volume  = {16},
  number  = {89},
  pages   = {2859--2900},
  url     = {http://jmlr.org/papers/v16/cunningham15a.html}
}