Reference-less Measure of Faithfulness for Grammatical Error Correction

Leshem Choshen; Omri Abend

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arXiv · 1804.03824

Reference-less Measure of Faithfulness for Grammatical Error Correction

Leshem Choshen·Omri Abend

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Abstract

We propose USim, a semantic measure for Grammatical Error Correction (GEC) that measures the semantic faithfulness of the output to the source, thereby complementing existing reference-less measures (RLMs) for measuring the output's grammaticality. USim operates by comparing the semantic symbolic structure of the source and the correction, without relying on manually-curated references. Our experiments establish the validity of USim, by showing that (1) semantic annotation can be consistently applied to ungrammatical text; (2) valid corrections obtain a high USim similarity score to the source; and (3) invalid corrections obtain a lower score.

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Leshem Choshen, Omri Abend. 2018-04-11. Reference-less Measure of Faithfulness for Grammatical Error Correction. https://arxiv.org/abs/1804.03824

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