ACM Comput. Surv., Vol. 1, No. 1, Article . Publication date: February 2022.

Survey of Hallucination in Natural Language Generation

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a pre-trained language model on synthetic data with automatically inserted hallucinations in order
to detect the hallucinatory content in summaries. The model can classify whether spans in the
machine-generated summaries are faithful to the article. This method shows higher correlations
with human factual consistency evaluation than the baselines.
SurveyofHallucinationinNatural Language Generation