BibTeX

@article{pado:_seman_mt_based_entail_featur,
  author = {Sebastian Pad{ó} and Daniel Cer and Michel Galley and Christopher
	D. Manning and Daniel Jurafsky},
  title = {Measuring Machine Translation Quality as Semantic Equivalence: A
	Metric based on Entailment Features},
  journal = {Machine Translation},
  year = {2009},
  volume = {23},
  pages = {181-193},
  number = {2-3}
}