@article{factorizedtopicmodels,
  title = {Factorized Topic Models},
  author = {Cheng Zhang and Carl Henrik Ek and Andreas Damianou and Hedvig Kjellstrom},
  year = {2013},
  eprint = {1301.3461},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1301.3461v7},
}