NRC's PORTAGE system for WMT 2007

  • Authors:
  • Nicola Ueffing;Michel Simard;Samuel Larkin;Howard Johnson

  • Affiliations:
  • National Research Council Canada, Gatineau, Québec, Canada;National Research Council Canada, Gatineau, Québec, Canada;National Research Council Canada, Gatineau, Québec, Canada;National Research Council Canada, Gatineau, Québec, Canada

  • Venue:
  • StatMT '07 Proceedings of the Second Workshop on Statistical Machine Translation
  • Year:
  • 2007

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Abstract

We present the PORTAGE statistical machine translation system which participated in the shared task of the ACL 2007 Second Workshop on Statistical Machine Translation. The focus of this description is on improvements which were incorporated into the system over the last year. These include adapted language models, phrase table pruning, an IBM1-based decoder feature, and rescoring with posterior probabilities.