@article{anewapproachtospeedinguptopicmodeling,
  title = {A New Approach to Speeding Up Topic Modeling},
  author = {Jia Zeng and Zhi-Qiang Liu and Xiao-Qin Cao},
  year = {2012},
  eprint = {1204.0170},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1204.0170v2},
}