@InProceedings{song-EtAl:2016:W16-10,
  author    = {Song, Zhiyi  and  Bies, Ann  and  Strassel, Stephanie  and  Ellis, Joe  and  Mitamura, Teruko  and  Dang, Hoa Trang  and  Yamakawa, Yukari  and  Holm, Sue},
  title     = {Event Nugget and Event Coreference Annotation},
  booktitle = {Proceedings of the Fourth Workshop on Events},
  month     = {June},
  year      = {2016},
  address   = {San Diego, California},
  publisher = {Association for Computational Linguistics},
  pages     = {37--45},
  url       = {http://www.aclweb.org/anthology/W16-1005}
}