@inproceedings{spectralmethodsforsupervisedtopicmodels,
  title = {Spectral Methods for Supervised Topic Models},
  author = {Yining Wang and Jun Zhu},
  year = {2014},
  booktitle = {NeurIPS 2014 12},
  url = {http://papers.nips.cc/paper/5517-spectral-methods-for-supervised-topic-models},
}