@InProceedings{joshi-bhattacharyya-carman:2016:WASSA2016,
  author    = {Joshi, Aditya  and  Bhattacharyya, Pushpak  and  Carman, Mark},
  title     = {Political Issue Extraction Model: A Novel Hierarchical Topic Model That Uses Tweets By Political And Non-Political Authors},
  booktitle = {Proceedings of the 7th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis},
  month     = {June},
  year      = {2016},
  address   = {San Diego, California},
  publisher = {Association for Computational Linguistics},
  pages     = {82--90},
  url       = {http://www.aclweb.org/anthology/W16-0415}
}