@article{JMLR:v17:15-190,
  author  = {Shusen Wang and Zhihua Zhang and Tong Zhang},
  title   = {Towards More Efficient SPSD Matrix Approximation and CUR Matrix Decomposition},
  journal = {Journal of Machine Learning Research},
  year    = {2016},
  volume  = {17},
  number  = {209},
  pages   = {1--49},
  url     = {http://jmlr.org/papers/v17/15-190.html}
}