@InProceedings{li-liu-agichtein:2008:EMNLP,
  author    = {Li, Baoli  and  Liu, Yandong  and  Agichtein, Eugene},
  title     = {{CoCQA}: {Co-Training} over Questions and Answers with an Application to Predicting Question Subjectivity Orientation},
  booktitle = {Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing},
  month     = {October},
  year      = {2008},
  address   = {Honolulu, Hawaii},
  publisher = {Association for Computational Linguistics},
  pages     = {937--946},
  url       = {http://www.aclweb.org/anthology/D08-1098}
}