Better Evaluation for Grammatical Error Correction

  title={Better Evaluation for Grammatical Error Correction},
  author={Daniel Dahlmeier and Hwee Tou Ng},
We present a novel method for evaluating grammatical error correction. The core of our method, which we call MaxMatch (M), is an algorithm for efficiently computing the sequence of phrase-level edits between a source sentence and a system hypothesis that achieves the highest overlap with the goldstandard annotation. This optimal edit sequence is subsequently scored using F1 measure. We test our M scorer on the Helping Our Own (HOO) shared task data and show that our method results in more… CONTINUE READING
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