A vector-space dynamic feature for phrase-based statistical machine translation

  • Authors:
  • Marta R. Costa-Jussà;Rafael E. Banchs

  • Affiliations:
  • Speech and Language Department, Barcelona Media Innovation Center, Barcelona, Spain 08018;Human Language Technology Department, Institute for Infocomm Research, Singapore, Singapore 138632

  • Venue:
  • Journal of Intelligent Information Systems
  • Year:
  • 2011

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Abstract

In this paper, we propose and evaluate a novel dynamic feature function for log-linear model combinations in phrase-based statistical machine translation. The feature function is inspired on the popularly known vector-space model which is typically used in information retrieval and text mining applications, and it aims at improving translation unit selection at decoding time by incorporating context information from the source language. Significant improvements on an English-Spanish experimental corpus are presented and discussed.