@article{ bethard_automatic_2004,
  title = {Automatic extraction of opinion propositions and their holders},
  pages = {2224},
  journaltitle = {2004 {AAAI} Spring Symposium on Exploring Attitude and Affect in Text},
  author = {Bethard, Steven and Yu, Hong and Thornton, Ashley and Hatzivassiloglou, Vasileios and Jurafsky, Dan},
  date = {2004}
}