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Related papers: Introducing Quality Estimation to Machine Translat…

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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

Post-editing (PE) machine translation (MT) is widely used for dissemination because it leads to higher productivity than human translation from scratch (HT). In addition, PE translations are found to be of equal or better quality than HTs.…

Computation and Language · Computer Science 2019-10-04 Antonio Toral

We present the task of PreQuEL, Pre-(Quality-Estimation) Learning. A PreQuEL system predicts how well a given sentence will be translated, without recourse to the actual translation, thus eschewing unnecessary resource allocation when…

Computation and Language · Computer Science 2022-12-06 Shachar Don-Yehiya , Leshem Choshen , Omri Abend

Automatic Post-Editing (APE) aims to correct systematic errors in a machine translated text. This is primarily useful when the machine translation (MT) system is not accessible for improvement, leaving APE as a viable option to improve…

Computation and Language · Computer Science 2019-10-22 Rajen Chatterjee

As MT quality increases, interest in enhanced post-editing features such as QE-derived error highlights is growing, yet evidence for their usefulness remains limited. In this work, we explore the usefulness of LLM-derived error highlights…

Computation and Language · Computer Science 2026-05-21 Fleur V. J. van Tellingen , Gautam Ranka , Dora Žugčić , Joyce van der Wal , Andrea Camasta , Livio Guerra , Alina Karakanta

Previous work suggests that performance of cross-lingual information retrieval correlates highly with the quality of Machine Translation. However, there may be a threshold beyond which improving query translation quality yields little or no…

Computation and Language · Computer Science 2023-02-02 Bryan Zhang , Amita Misra

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

A major challenge in the practical use of Machine Translation (MT) is that users lack guidance to make informed decisions about when to rely on outputs. Progress in quality estimation research provides techniques to automatically assess MT…

Computation and Language · Computer Science 2023-10-27 Nikita Mehandru , Sweta Agrawal , Yimin Xiao , Elaine C Khoong , Ge Gao , Marine Carpuat , Niloufar Salehi

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…

Computation and Language · Computer Science 2025-01-30 Sourabh Deoghare , Diptesh Kanojia , Pushpak Bhattacharyya

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

Current state-of-the-art Quality Estimation (QE) in machine translation relies on massive, proprietary LLMs, raising data privacy concerns. We demonstrate that smaller, open-source LLMs (<30B parameters) are a viable, cost-effective and…

Computation and Language · Computer Science 2026-05-18 Kamil Guttmann , Zofia Fraś , Artur Nowakowski , Krzysztof Jassem

This paper proposes an efficient and semi-automated method for human-in-the-loop post-editing for machine translation (MT) corpus generation. The method is based on online training of a custom MT quality estimation metric on-the-fly as…

Computation and Language · Computer Science 2023-06-22 Kamer Ali Yuksel , Ahmet Gunduz , Shreyas Sharma , Hassan Sawaf

Machine Translation Quality Estimation (QE) is a task of predicting the quality of machine translations without relying on any reference. Recently, the predictor-estimator framework trains the predictor as a feature extractor, which…

Computation and Language · Computer Science 2021-05-18 Qu Cui , Shujian Huang , Jiahuan Li , Xiang Geng , Zaixiang Zheng , Guoping Huang , Jiajun Chen

We propose a novel scheme to use the Levenshtein Transformer to perform the task of word-level quality estimation. A Levenshtein Transformer is a natural fit for this task: trained to perform decoding in an iterative manner, a Levenshtein…

Computation and Language · Computer Science 2021-09-17 Shuoyang Ding , Marcin Junczys-Dowmunt , Matt Post , Philipp Koehn

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 essential for assessing machine translation quality in reference-less settings, particularly for domain-specific and low-resource language scenarios. In this paper, we investigate sentence-level QE for English to…

Computation and Language · Computer Science 2026-03-10 Namrata Patil Gurav , Akashdeep Ranu , Archchana Sindhujan , Diptesh Kanojia

Sentence-level Quality estimation (QE) of machine translation is traditionally formulated as a regression task, and the performance of QE models is typically measured by Pearson correlation with human labels. Recent QE models have achieved…

Computation and Language · Computer Science 2021-09-20 Shuo Sun , Ahmed El-Kishky , Vishrav Chaudhary , James Cross , Francisco Guzmán , Lucia Specia

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

With the recent advance in neural machine translation demonstrating its importance, research on quality estimation (QE) has been steadily progressing. QE aims to automatically predict the quality of machine translation (MT) output without…

Computation and Language · Computer Science 2022-11-30 Sugyeong Eo , Chanjun Park , Hyeonseok Moon , Jaehyung Seo , Gyeongmin Kim , Jungseob Lee , Heuiseok Lim

The task of word-level quality estimation (QE) consists of taking a source sentence and machine-generated translation, and predicting which words in the output are correct and which are wrong. In this paper, propose a method to effectively…

Computation and Language · Computer Science 2018-09-05 Junjie Hu , Wei-Cheng Chang , Yuexin Wu , Graham Neubig