@InProceedings{chardon-et-al:2013:IWCS2013,
  author    = {Chardon, Baptiste  and  Benamara, Farah  and  Mathieu, Yannick  and  Popescu, Vladimir  and  Asher, Nicholas},
  title     = {Sentiment Composition Using a Parabolic Model},
  booktitle = {Proceedings of the 10th International Conference on Computational Semantics (IWCS 2013) -- Long Papers},
  month     = {March},
  year      = {2013},
  address   = {Potsdam, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {47--58},
  url       = {http://www.aclweb.org/anthology/W13-0105}
}