@CONFERENCE{josecp2014sentiment,
  author = {Costa Pereira, J. and Luque, J. and Anguera, X. },
  title = {{Sentiment Retrieval on Web Reviews using Spontaneous Natural Speech}},
  booktitle = {IEEE Conference on Acoustics, Speech and Signal Processing},
  pages={4583--4587},
  year = {2014}
}