Confidence estimation for translation prediction

  • Authors:
  • Simona Gandrabur;George Foster

  • Affiliations:
  • RALI, Université de Montréal;RALI, Université de Montréal

  • Venue:
  • CONLL '03 Proceedings of the seventh conference on Natural language learning at HLT-NAACL 2003 - Volume 4
  • Year:
  • 2003

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Abstract

The purpose of this work is to investigate the use of machine learning approaches for confidence estimation within a statistical machine translation application. Specifically, we attempt to learn probabilities of correctness for various model predictions, based on the native probabilites (i.e. the probabilites given by the original model) and on features of the current context. Our experiments were conducted using three original translation models and two types of neural nets (single-layer and multilayer perceptrons) for the confidence estimation task.