@InProceedings{prabhakaran2012ExProM,
  author    = {Prabhakaran, Vinodkumar  and  Bloodgood, Michael  and  Diab, Mona  and  Dorr, Bonnie  and  Levin, Lori  and  Piatko, Christine D.  and  Rambow, Owen  and  Van Durme, Benjamin},
  title     = {Statistical Modality Tagging from Rule-based Annotations and Crowdsourcing},
  booktitle = {Proceedings of the Workshop on Extra-Propositional Aspects of Meaning in Computational Linguistics},
  month     = {July},
  year      = {2012},
  address   = {Jeju, Republic of Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {57--64},
  url       = {http://www.aclweb.org/anthology/W12-3807}
}