@InProceedings{mcdonald-EtAl:2007:ACLMain,
  author    = {McDonald, Ryan  and  Hannan, Kerry  and  Neylon, Tyler  and  Wells, Mike  and  Reynar, Jeff},
  title     = {Structured Models for Fine-to-Coarse Sentiment Analysis},
  booktitle = {Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {432--439},
  url       = {http://www.aclweb.org/anthology/P07-1055}
}