@Book{CoNLL-ST:2015,
  title     = {Proceedings of the Nineteenth Conference on Computational Natural Language Learning - Shared Task},
  month     = {July},
  year      = {2015},
  address   = {Beijing, China},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/K15-2}
}