@inproceedings{ijcai2007p431,
  title     = {Identifying Expressions of Opinion in Context},
  author    = {Breck, Eric and Choi, Yejin and Cardie, Claire},
  booktitle = {Proceedings of the Twentieth International Joint Conference on
               Artificial Intelligence, {IJCAI-07}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ramon López de Mántaras},
  pages     = {2683--2687},
  year      = {2007},
  url       = {https://ijcai.org/proceedings/2007/431},
}