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Quality Estimation (QE) is an important component in making Machine Translation (MT) useful in real-world applications, as it is aimed to inform the user on the quality of the MT output at test time. Existing approaches require large…

Quality Estimation (QE) plays an essential role in applications of Machine Translation (MT). Traditionally, a QE system accepts the original source text and translation from a black-box MT system as input. Recently, a few studies indicate…

Computation and Language · Computer Science 2021-09-16 Ke Wang , Yangbin Shi , Jiayi Wang , Yuqi Zhang , Yu Zhao , Xiaolin Zheng

Word-level Quality Estimation (QE) of Machine Translation (MT) aims to find out potential translation errors in the translated sentence without reference. Typically, conventional works on word-level QE are designed to predict the…

Computation and Language · Computer Science 2022-09-14 Zhen Yang , Fandong Meng , Yuanmeng Yan , Jie Zhou

Current Machine Translation (MT) systems achieve very good results on a growing variety of language pairs and datasets. However, they are known to produce fluent translation outputs that can contain important meaning errors, thus…

Computation and Language · Computer Science 2021-09-23 Diptesh Kanojia , Marina Fomicheva , Tharindu Ranasinghe , Frédéric Blain , Constantin Orăsan , Lucia Specia

Quality Estimation (QE) of Machine Translation (MT) is a task to estimate the quality scores for given translation outputs from an unknown MT system. However, QE scores for low-resource languages are usually intractable and hard to collect.…

Computation and Language · Computer Science 2021-05-18 Ting-Wei Wu , Yung-An Hsieh , Yi-Chieh Liu

Translation Quality Estimation (QE) is the task of predicting the quality of machine translation (MT) output without any reference. This task has gained increasing attention as an important component in the practical applications of MT. In…

Computation and Language · Computer Science 2024-03-05 Fatemeh Azadi , Heshaam Faili , Mohammad Javad Dousti

Machine Translation Quality Estimation (MTQE) is the task of estimating the quality of machine-translated text in real time without the need for reference translations, which is of great importance for the development of MT. After two…

Computation and Language · Computer Science 2024-10-29 Haofei Zhao , Yilun Liu , Shimin Tao , Weibin Meng , Yimeng Chen , Xiang Geng , Chang Su , Min Zhang , Hao Yang

Machine translation quality estimation (QE) predicts human judgements of a translation hypothesis without seeing the reference. State-of-the-art QE systems based on pretrained language models have been achieving remarkable correlations with…

Computation and Language · Computer Science 2023-04-26 Vilém Zouhar , Shehzaad Dhuliawala , Wangchunshu Zhou , Nico Daheim , Tom Kocmi , Yuchen Eleanor Jiang , Mrinmaya Sachan

Sentence level quality estimation (QE) for machine translation (MT) attempts to predict the translation edit rate (TER) cost of post-editing work required to correct MT output. We describe our view on sentence-level QE as dictated by…

Computation and Language · Computer Science 2020-05-08 Junpei Zhou , Ciprian Chelba , Yuezhang , Li

Most studies on word-level Quality Estimation (QE) of machine translation focus on language-specific models. The obvious disadvantages of these approaches are the need for labelled data for each language pair and the high cost required to…

Computation and Language · Computer Science 2021-06-02 Tharindu Ranasinghe , Constantin Orasan , Ruslan Mitkov

Quality Estimation (QE) is an important component of the machine translation workflow as it assesses the quality of the translated output without consulting reference translations. In this paper, we discuss our submission to the WMT 2021 QE…

Computation and Language · Computer Science 2021-09-10 Shaika Chowdhury , Naouel Baili , Brian Vannah

Word-level quality estimation (QE) methods aim to detect erroneous spans in machine translations, which can direct and facilitate human post-editing. While the accuracy of word-level QE systems has been assessed extensively, their usability…

Computation and Language · Computer Science 2025-11-18 Gabriele Sarti , Vilém Zouhar , Grzegorz Chrupała , Ana Guerberof-Arenas , Malvina Nissim , Arianna Bisazza

Quality Estimation (QE) models for Neural Machine Translation (NMT) predict the quality of the hypothesis without having access to the reference. An emerging research direction in NMT involves the use of QE models, which have demonstrated…

Computation and Language · Computer Science 2025-06-03 Sai Koneru , Matthias Huck , Miriam Exel , Jan Niehues

Quality estimation (QE)-the automatic assessment of translation quality-has recently become crucial across several stages of the translation pipeline, from data curation to training and decoding. While QE metrics have been optimized to…

Computation and Language · Computer Science 2025-06-04 Emmanouil Zaranis , Giuseppe Attanasio , Sweta Agrawal , André F. T. Martins

Word-level quality estimation (WQE) aims to automatically identify fine-grained error spans in machine-translated outputs and has found many uses, including assisting translators during post-editing. Modern WQE techniques are often…

Computation and Language · Computer Science 2025-11-18 Gabriele Sarti , Vilém Zouhar , Malvina Nissim , Arianna Bisazza

Quality Estimation (QE) is the task of automatically predicting Machine Translation quality in the absence of reference translations, making it applicable in real-time settings, such as translating online social media conversations. Recent…

Computation and Language · Computer Science 2021-07-02 Amit Gajbhiye , Marina Fomicheva , Fernando Alva-Manchego , Frédéric Blain , Abiola Obamuyide , Nikolaos Aletras , Lucia Specia

Quality Estimation, as a crucial step of quality control for machine translation, has been explored for years. The goal is to investigate automatic methods for estimating the quality of machine translation results without reference…

Computation and Language · Computer Science 2022-01-03 Jiayi Wang , Ke Wang , Boxing Chen , Yu Zhao , Weihua Luo , Yuqi Zhang

It is expensive to evaluate the results of Machine Translation(MT), which usually requires manual translation as a reference. Machine Translation Quality Estimation (QE) is a task of predicting the quality of machine translations without…

Computation and Language · Computer Science 2022-04-19 Lei Lin

Quality estimation (QE) is the task of automatically evaluating the quality of translations without human-translated references. Calculating BLEU between the input sentence and round-trip translation (RTT) was once considered as a metric…

Computation and Language · Computer Science 2020-04-30 Jihyung Moon , Hyunchang Cho , Eunjeong L. Park

Translation quality estimation (TQE) is the task of predicting translation quality without reference translations. Due to the enormous cost of creating training data for TQE, only a few translation directions can benefit from supervised…

Computation and Language · Computer Science 2023-11-10 Yuto Kuroda , Atsushi Fujita , Tomoyuki Kajiwara , Takashi Ninomiya
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