@InProceedings{chen-ji-haralick:2009:eETTs,
  author    = {Chen, Zheng  and  Ji, Heng  and  Haralick, Robert},
  title     = {A Pairwise Event Coreference Model, Feature Impact and Evaluation for Event Coreference Resolution},
  booktitle = {Proceedings of the Workshop on Events in Emerging Text Types},
  month     = {September},
  year      = {2009},
  address   = {Borovets, Bulgaria},
  publisher = {Association for Computational Linguistics},
  pages     = {17--22},
  url       = {http://www.aclweb.org/anthology/W09-4303}
}