Word lattices for multi-source translation

  • Authors:
  • Josh Schroeder;Trevor Cohn;Philipp Koehn

  • Affiliations:
  • University of Edinburgh, Edinburgh, Scotland, United Kingdom;University of Edinburgh, Edinburgh, Scotland, United Kingdom;University of Edinburgh, Edinburgh, Scotland, United Kingdom

  • Venue:
  • EACL '09 Proceedings of the 12th Conference of the European Chapter of the Association for Computational Linguistics
  • Year:
  • 2009

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Abstract

Multi-source statistical machine translation is the process of generating a single translation from multiple inputs. Previous work has focused primarily on selecting from potential outputs of separate translation systems, and solely on multi-parallel corpora and test sets. We demonstrate how multi-source translation can be adapted for multiple monolingual inputs. We also examine different approaches to dealing with multiple sources, including consensus decoding, and we present a novel method of input combination to generate lattices for multi-source translation within a single translation model.