@article{2013-topic-models-language-usage,
  title = {Differentiating Language Usage through Topic Models},
  author = {Daniel A. McFarland AND Daniel Ramage AND Jason Chuang AND Jeffrey Heer AND Christopher D. Manning},
  journal = {Poetics},
  year = {2013},
  url = {http://vis.stanford.edu/papers/topic-models-language-usage}
}