Coupling hierarchical word reordering and decoding in phrase-based statistical machine translation

  • Authors:
  • Maxim Khalilov;José A. R. Fonollosa;Mark Dras

  • Affiliations:
  • Universitat Politèicnica de Catalunya, Barcelona, Spain;Universitat Politèicnica de Catalunya, Barcelona, Spain;Macquarie University, Sydney, Australia

  • Venue:
  • SSST '09 Proceedings of the Third Workshop on Syntax and Structure in Statistical Translation
  • Year:
  • 2009

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Abstract

In this paper, we start with the existing idea of taking reordering rules automatically derived from syntactic representations, and applying them in a preprocessing step before translation to make the source sentence structurally more like the target; and we propose a new approach to hierarchically extracting these rules. We evaluate this, combined with a lattice-based decoding, and show improvements over state-of-the-art distortion models.