@article{onlinecategoricalsubspacelearningfor,
  title = {Online Categorical Subspace Learning for Sketching Big Data with Misses},
  author = {Yanning Shen and Morteza Mardani and Georgios B. Giannakis},
  year = {2016},
  eprint = {1609.08235},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1609.08235v1},
}