@article{JMLR:v13:drineas12a,
  author  = {Petros Drineas and Malik Magdon-Ismail and Michael W. Mahoney and David P. Woodruff},
  title   = {Fast Approximation of Matrix Coherence and Statistical Leverage},
  journal = {Journal of Machine Learning Research},
  year    = {2012},
  volume  = {13},
  number  = {111},
  pages   = {3475--3506},
  url     = {http://jmlr.org/papers/v13/drineas12a.html}
}