@article{generalpurposetextualsentimentanalysis,
  title = {General Purpose Textual Sentiment Analysis and Emotion Detection Tools},
  author = {Alexandre Denis and Samuel Cruz-Lara and Nadia Bellalem},
  year = {2013},
  eprint = {1309.2853},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1309.2853v1},
}