@InProceedings{nogueiradossantos-lopescarvalho:2011:CoNLL-ST,
  author    = {Nogueira dos Santos, Cicero  and  Lopes Carvalho, Davi},
  title     = {Rule and Tree Ensembles for Unrestricted Coreference Resolution},
  booktitle = {Proceedings of the Fifteenth Conference on Computational Natural Language Learning: Shared Task},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {51--55},
  url       = {http://www.aclweb.org/anthology/W11-1906}
}