@article{afastgreedyalgorithmforgeneralized,
  title = {A Fast Greedy Algorithm for Generalized Column Subset Selection},
  author = {Ahmed K. Farahat and Ali Ghodsi and Mohamed S. Kamel},
  year = {2013},
  eprint = {1312.6820},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1312.6820v1},
}