@article{anonlineexpectationmaximisationalgorithm,
  title = {An Online Expectation-Maximisation Algorithm for Nonnegative Matrix Factorisation Models},
  author = {Sinan Yildirim and A. Taylan Cemgil and Sumeetpal S. Singh},
  year = {2014},
  eprint = {1401.2490},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1401.2490v1},
}