Iterative Edit-Based Unsupervised Sentence Simplification

Dhruv Kumar, Lili Mou, Lukasz Golab, Olga Vechtomova

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Session 14A: Jul 8 (17:00-18:00 GMT)
Session 15A: Jul 8 (20:00-21:00 GMT)
Abstract: We present a novel iterative, edit-based approach to unsupervised sentence simplification. Our model is guided by a scoring function involving fluency, simplicity, and meaning preservation. Then, we iteratively perform word and phrase-level edits on the complex sentence. Compared with previous approaches, our model does not require a parallel training set, but is more controllable and interpretable. Experiments on Newsela and WikiLarge datasets show that our approach is nearly as effective as state-of-the-art supervised approaches.
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