author    = {Philipp Koehn and Marcello Federico and Wade Shen and Nicola Bertoldi and Ondřej Bojar and Chris Callison-Burch and Brooke Cowan and Chris Dyer and Hieu Hoang and Richard Zens and Alexandra Constantin and Christine Corbett Moran and Evan Herbst},
  year      = 2006,
  title     = {Open Source Toolkit for Statistical Machine Translation: Factored Translation Models and Confusion Network Decoding},
  publisher = {Johns Hopkins University, Center for Speech and Language Processing},