@InProceedings{johansson-moschitti:2011:ACL-HLT2011,
  author    = {Johansson, Richard  and  Moschitti, Alessandro},
  title     = {Extracting Opinion Expressions and Their Polarities -- Exploration of Pipelines and Joint Models},
  booktitle = {Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {101--106},
  url       = {http://www.aclweb.org/anthology/P11-2018}
}