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Metrics are the foundation for automatic evaluation in grammatical error correction (GEC), with their evaluation of the metrics (meta-evaluation) relying on their correlation with human judgments. However, conventional meta-evaluations in…

Computation and Language · Computer Science 2024-05-28 Masamune Kobayashi , Masato Mita , Mamoru Komachi

One of the goals of automatic evaluation metrics in grammatical error correction (GEC) is to rank GEC systems such that it matches human preferences. However, current automatic evaluations are based on procedures that diverge from human…

Computation and Language · Computer Science 2025-06-04 Takumi Goto , Yusuke Sakai , Taro Watanabe

Grammatical Error Correction (GEC) is a task of detecting and correcting grammatical errors in sentences. Recently, neural machine translation systems have become popular approaches for this task. However, these methods lack the use of…

Computation and Language · Computer Science 2021-11-08 Zhaohong Wan , Xiaojun Wan

Grammatical Error Correction (GEC) is the task of automatically detecting and correcting errors in text. The task not only includes the correction of grammatical errors, such as missing prepositions and mismatched subject-verb agreement,…

Computation and Language · Computer Science 2023-12-05 Christopher Bryant , Zheng Yuan , Muhammad Reza Qorib , Hannan Cao , Hwee Tou Ng , Ted Briscoe

Grammar Error Correction(GEC) mainly relies on the availability of high quality of large amount of synthetic parallel data of grammatically correct and erroneous sentence pairs. The quality of the synthetic data is evaluated on how well the…

Computation and Language · Computer Science 2022-11-01 Vanya Bannihatti Kumar

Grammatical Error Correction (GEC) systems perform a sequence-to-sequence task, where an input word sequence containing grammatical errors, is corrected for these errors by the GEC system to output a grammatically correct word sequence.…

Computation and Language · Computer Science 2022-08-22 Vyas Raina , Mark Gales

Various evaluation metrics have been proposed for Grammatical Error Correction (GEC), but many, particularly reference-free metrics, lack explainability. This lack of explainability hinders researchers from analyzing the strengths and…

Computation and Language · Computer Science 2024-12-18 Takumi Goto , Justin Vasselli , Taro Watanabe

Text editing can involve several iterations of revision. Incorporating an efficient Grammar Error Correction (GEC) tool in the initial correction round can significantly impact further human editing effort and final text quality. This…

Computation and Language · Computer Science 2025-10-07 Ankit Vadehra , Bill Johnson , Gene Saunders , Pascal Poupart

Grammar error correction (GEC) is an important application aspect of natural language processing techniques. The past decade has witnessed significant progress achieved in GEC for the sake of increasing popularity of machine learning and…

Computation and Language · Computer Science 2020-05-15 Yu Wang , Yuelin Wang , Jie Liu , Zhuo Liu

Although rarely stated, in practice, Grammatical Error Correction (GEC) encompasses various models with distinct objectives, ranging from grammatical error detection to improving fluency. Traditional evaluation methods fail to fully capture…

Computation and Language · Computer Science 2023-08-21 Robert Östling , Katarina Gillholm , Murathan Kurfalı , Marie Mattson , Mats Wirén

Grammatical error correction systems improve written communication by detecting and correcting language mistakes. To help language learners better understand why the GEC system makes a certain correction, the causes of errors (evidence…

Computation and Language · Computer Science 2023-06-13 Yuejiao Fei , Leyang Cui , Sen Yang , Wai Lam , Zhenzhong Lan , Shuming Shi

In Grammatical Error Correction (GEC), sequence labeling models enjoy fast inference compared to sequence-to-sequence models; however, inference in sequence labeling GEC models is an iterative process, as sentences are passed to the model…

Computation and Language · Computer Science 2021-06-01 Kevin Parnow , Zuchao Li , Hai Zhao

The task of Grammatical Error Correction (GEC) aims to automatically correct grammatical errors in natural texts. Almost all previous works treat annotated training data equally, but inherent discrepancies in data are neglected. In this…

Computation and Language · Computer Science 2023-11-27 Jiahao Li , Quan Wang , Chiwei Zhu , Zhendong Mao , Yongdong Zhang

Grammatical Error Correction (GEC) should not focus only on high accuracy of corrections but also on interpretability for language learning. However, existing neural-based GEC models mainly aim at improving accuracy, and their…

Computation and Language · Computer Science 2022-03-15 Masahiro Kaneko , Sho Takase , Ayana Niwa , Naoaki Okazaki

Text editing frames grammatical error correction (GEC) as a sequence tagging problem, where edit tags are assigned to input tokens, and applying these edits results in the corrected text. This approach has gained attention for its…

Computation and Language · Computer Science 2025-06-03 Bashar Alhafni , Nizar Habash

The field of Grammatical Error Correction (GEC) has produced various systems to deal with focused phenomena or general text editing. We propose an automatic way to combine black-box systems. Our method automatically detects the strength of…

Computation and Language · Computer Science 2019-06-11 Yoav Kantor , Yoav Katz , Leshem Choshen , Edo Cohen-Karlik , Naftali Liberman , Assaf Toledo , Amir Menczel , Noam Slonim

The paper focuses on the interpretability of Grammatical Error Correction (GEC) evaluation metrics, which received little attention in previous studies. To bridge the gap, we introduce **CLEME2.0**, a reference-based metric describing four…

Computation and Language · Computer Science 2025-05-30 Jingheng Ye , Zishan Xu , Yinghui Li , Linlin Song , Qingyu Zhou , Hai-Tao Zheng , Ying Shen , Wenhao Jiang , Hong-Gee Kim , Ruitong Liu , Xin Su , Zifei Shan

Neural machine translation systems have become state-of-the-art approaches for Grammatical Error Correction (GEC) task. In this paper, we propose a copy-augmented architecture for the GEC task by copying the unchanged words from the source…

Computation and Language · Computer Science 2019-06-12 Wei Zhao , Liang Wang , Kewei Shen , Ruoyu Jia , Jingming Liu

Grammatical error correction (GEC) is the task of detecting and correcting grammatical errors in texts written by second language learners. The statistical machine translation (SMT) approach to GEC, in which sentences written by second…

Computation and Language · Computer Science 2016-06-02 Duc Tam Hoang , Shamil Chollampatt , Hwee Tou Ng

Automatic evaluation in grammatical error correction (GEC) is crucial for selecting the best-performing systems. Currently, reference-based metrics are a popular choice, which basically measure the similarity between hypothesis and…

Computation and Language · Computer Science 2026-02-06 Takumi Goto , Yusuke Sakai , Taro Watanabe
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