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arXiv 2501.17265cs.CL

赋予旧方法新活力:质量估计辅助的约束解码用于自动后编辑

Giving the Old a Fresh Spin: Quality Estimation-Assisted Constrained Decoding for Automatic Post-Editing

Indian Institute of Technology Bombay(印度理工学院孟买分校);University of Surrey(萨里大学);Institute for People-Centred AI(以人为本人工智能研究所)

Sourabh Deoghare, Diptesh Kanojia, Pushpak Bhattacharyya

AI总结:

本文提出一种架构无关的词级质量估计辅助约束解码方法,通过在解码时引入QE信息缓解自动后编辑系统的过度纠正问题,在多语言对上显著提升了TER指标。

摘要:

自动后编辑(APE)系统经常面临过度纠正的难题,即对翻译进行不必要的修改,偏离了最小编辑原则。在本文中,我们提出了一种新技术,通过在解码过程中引入词级质量估计(QE)信息来缓解过度纠正。该方法与架构无关,可适配任何APE系统,无论其底层模型或训练方法如何。我们在英德、英印地语和英马拉地语语言对上的实验表明,所提方法相比相应的基线APE系统取得了显著提升,TER分别改善了0.65、1.86和1.44个点。这些结果强调了QE与APE任务之间的互补关系,并突显了整合QE信息以减少APE系统中过度纠正的有效性。

英文摘要:

Automatic Post-Editing (APE) systems often struggle with over-correction, where unnecessary modifications are made to a translation, diverging from the principle of minimal editing. In this paper, we propose a novel technique to mitigate over-correction by incorporating word-level Quality Estimation (QE) information during the decoding process. This method is architecture-agnostic, making it adaptable to any APE system, regardless of the underlying model or training approach. Our experiments on English-German, English-Hindi, and English-Marathi language pairs show the proposed approach yields significant improvements over their corresponding baseline APE systems, with TER gains of $0.65$, $1.86$, and $1.44$ points, respectively. These results underscore the complementary relationship between QE and APE tasks and highlight the effectiveness of integrating QE information to reduce over-correction in APE systems.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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