@InProceedings{somasundaran-EtAl:2009:EMNLP,
  author    = {Somasundaran, Swapna  and  Namata, Galileo  and  Wiebe, Janyce  and  Getoor, Lise},
  title     = {Supervised and Unsupervised Methods in Employing Discourse Relations for Improving Opinion Polarity Classification},
  booktitle = {Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing},
  month     = {August},
  year      = {2009},
  address   = {Singapore},
  publisher = {Association for Computational Linguistics},
  pages     = {170--179},
  url       = {http://www.aclweb.org/anthology/D/D09/D09-1018}
}