Comparing Reordering Constraints for SMT Using Efficient BLEU Oracle Computation

@inproceedings{Dreyer2007ComparingRC,
  title={Comparing Reordering Constraints for SMT Using Efficient BLEU Oracle Computation},
  author={Markus Dreyer and Keith B. Hall and Sanjeev Khudanpur},
  booktitle={SSST@HLT-NAACL},
  year={2007}
}
This paper describes a new method to compare reordering constraints for Statistical Machine Translation. We investigate the best possible (oracle) B LEU score achievable under different reordering constraints. Using dynamic programming, we efficiently find a reordering that approximates the highest attainable B LEU score given a reference and a set of reordering constraints. We present an empirical evaluation of popular reordering constraints: local constraints, the IBM constraints, and the… CONTINUE READING
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