@article{performanceanalysisofunsupervisedfeature,
  title = {Performance analysis of unsupervised feature selection methods},
  author = {A. Nisthana Parveen and H. Hannah Inbarani and E. N. Sathishkumar},
  year = {2013},
  eprint = {1306.1326},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1306.1326v1},
}