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    <abstract>Neural Table-to-Text models tend to hallucinate, producing texts that contain factual errors. We investigate whether such errors in the output can be traced back to problems with the input. We manually annotated 1,837 texts generated by multiple models in the politics domain of the ToTTo dataset. We identify the input problems that are responsible for many output errors and show that fixing these inputs reduces factual errors by between 52% and 76% (depending on the model). In addition, we observe that models struggle in processing tabular inputs that are structured in a non-standard way, particularly when the input lacks distinct row and column values or when the column headers are not correctly mapped to corresponding values.</abstract>
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%0 Conference Proceedings
%T Improving Factual Accuracy of Neural Table-to-Text Output by Addressing Input Problems in ToTTo
%A Sundararajan, Barkavi
%A Sripada, Yaji
%A Reiter, Ehud
%Y Duh, Kevin
%Y Gomez, Helena
%Y Bethard, Steven
%S Proceedings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: Long Papers)
%D 2024
%8 June
%I Association for Computational Linguistics
%C Mexico City, Mexico
%F sundararajan-etal-2024-improving
%X Neural Table-to-Text models tend to hallucinate, producing texts that contain factual errors. We investigate whether such errors in the output can be traced back to problems with the input. We manually annotated 1,837 texts generated by multiple models in the politics domain of the ToTTo dataset. We identify the input problems that are responsible for many output errors and show that fixing these inputs reduces factual errors by between 52% and 76% (depending on the model). In addition, we observe that models struggle in processing tabular inputs that are structured in a non-standard way, particularly when the input lacks distinct row and column values or when the column headers are not correctly mapped to corresponding values.
%R 10.18653/v1/2024.naacl-long.408
%U https://aclanthology.org/2024.naacl-long.408
%U https://doi.org/10.18653/v1/2024.naacl-long.408
%P 7350-7376

Markdown (Informal)

[Improving Factual Accuracy of Neural Table-to-Text Output by Addressing Input Problems in ToTTo](https://aclanthology.org/2024.naacl-long.408) (Sundararajan et al., NAACL 2024)

• Improving Factual Accuracy of Neural Table-to-Text Output by Addressing Input Problems in ToTTo (Sundararajan et al., NAACL 2024)

ACL

• Barkavi Sundararajan, Yaji Sripada, and Ehud Reiter. 2024. Improving Factual Accuracy of Neural Table-to-Text Output by Addressing Input Problems in ToTTo. In Proceedings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: Long Papers), pages 7350–7376, Mexico City, Mexico. Association for Computational Linguistics.