@article{inferenceintopicmodelssparsityandtrade,
  title = {Inference in topic models: sparsity and trade-off},
  author = {Khoat Than and Tu Bao Ho},
  year = {2015},
  eprint = {1512.03300},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1512.03300v1},
}