LEWIS: Levenshtein Editing for Unsupervised Text Style Transfer (2021.findings-acl)
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| Challenge: | Recent work on text style transfer proposes single-span editing as an alternative to generating the target text from scratch. |
| Approach: | They propose a coarse-to-fine editor for style transfer that transforms text using Levenshtein edit operations (e.g. insert, replace, delete). |
| Outcome: | The proposed method outperforms existing methods on sentiment and politeness transfer and improves model performance. |
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