@article{subspaceclusteringviaoptimaldirection,
  title = {Subspace Clustering via Optimal Direction Search},
  author = {Mostafa Rahmani and George Atia},
  year = {2017},
  eprint = {1706.03860},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1706.03860v4},
}