JHU system combination scheme for WMT 2010

  • Authors:
  • Sushant Narsale

  • Affiliations:
  • Johns Hopkins University, Baltimore

  • Venue:
  • WMT '10 Proceedings of the Joint Fifth Workshop on Statistical Machine Translation and MetricsMATR
  • Year:
  • 2010

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Abstract

This paper describes the JHU system combination scheme that was used in the WMT 2010 submission. The incremental alignment scheme of (Karakos et.al, 2008) was used for confusion network generation. The system order in the alignment of each sentence was learned using SVMs, following the work of (Karakos et.al, 2010). Additionally, web-scale n-grams from the Google corpus were used to build language models that improved the quality of the combination output. Experiments in Spanish-English, French-English, German-English and Czech-English language pairs were conducted, and the results show approximately 1 BLEU point and 2 TER points improvement over the best individual system.