@inproceedings{unsupervisedfeatureselectionforthek,
  title = {Unsupervised Feature Selection for the k-means Clustering Problem},
  author = {Christos Boutsidis and Petros Drineas and Michael W. Mahoney},
  year = {2009},
  booktitle = {NeurIPS 2009 12},
  url = {http://papers.nips.cc/paper/3724-unsupervised-feature-selection-for-the-k-means-clustering-problem},
}