2021

BARTScore: Evaluating Generated Text as Text Generation

Yuan, Weizhe, Neubig, Graham, Liu, Pengfei

Understand

A wide variety of NLP applications, such as machine translation, summarization, and dialog, involve text generation.

  • One major challenge for these applications is how to evaluate whether such generated texts are actually fluent, accurate, or effective.
  • In this work, we conceptualize the evaluation of generated text as a text generation problem, modeled using pre-trained sequence-to-sequence models.
  • The general idea is that models trained to convert the generated text to/from a reference output or the source text will achieve higher scores when the generated text is better.

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