@article{dissimilaritybasedsparsesubsetselection,
  title = {Dissimilarity-based Sparse Subset Selection},
  author = {Ehsan Elhamifar and Guillermo Sapiro and S. Shankar Sastry},
  year = {2014},
  eprint = {1407.6810},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1407.6810v2},
}