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- W4385573912 abstract "ive summarization models often generate inconsistent summaries containing factual errors or hallucinated content. Recent works focus on correcting factual errors in generated summaries via post-editing. Such correction models are trained using adversarial non-factual summaries constructed using heuristic rules for injecting errors. However, generating non-factual summaries using heuristics often does not generalize well to actual model errors. In this work, we propose to generate hard, representative synthetic examples of non-factual summaries through infilling language models. With this data, we train a more robust fact-correction model to post-edit the summaries to improve factual consistency. Through quantitative and qualitative experiments on two popular summarization datasets— CNN/DM and XSum—we show that our approach vastly outperforms prior methods in correcting erroneous summaries. Our model—FactEdit—improves factuality scores by over ~11 points on CNN/DM and over ~31 points on XSum on average across multiple summarization models, producing more factual summaries while maintaining competitive summarization quality." @default.
- W4385573912 created "2023-08-05" @default.
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- W4385573912 date "2022-01-01" @default.
- W4385573912 modified "2023-09-24" @default.
- W4385573912 title "Correcting Diverse Factual Errors in Abstractive Summarization via Post-Editing and Language Model Infilling" @default.
- W4385573912 doi "https://doi.org/10.18653/v1/2022.emnlp-main.667" @default.
- W4385573912 hasPublicationYear "2022" @default.
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