@article{computelesstogetmoreusingorctoimprove,
  title = {Compute Less to Get More: Using ORC to Improve Sparse Filtering},
  author = {Johannes Lederer and Sergio Guadarrama},
  year = {2014},
  eprint = {1409.4689},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1409.4689v2},
}