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AI & Machine Learning · Intermediate

ROUGE

Recall-Oriented Understudy for Gisting Evaluation: n-gram and sequence overlap metrics for summarization.

Definition

ROUGE-N measures n-gram recall against reference summaries, and ROUGE-L uses the longest common subsequence. It is a standard automatic metric for summarization, with the same paraphrase blind spots as BLEU.

Exam tip

Summarization quality question with reference summaries: answer ROUGE.

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