@Book{CoNLL-2013:2013,
  editor    = {Julia Hockenmaier  and  Sebastian Riedel},
  title     = {Proceedings of the Seventeenth Conference on Computational Natural Language Learning},
  month     = {August},
  year      = {2013},
  address   = {Sofia, Bulgaria},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W13-35}
}