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Recent research in decoding methods for Natural Language Generation (NLG) tasks has shown that MAP decoding is not optimal, because model probabilities do not always align with human preferences. Stronger decoding methods, including Quality…

计算与语言 · 计算机科学 2024-03-27 Mara Finkelstein , Subhajit Naskar , Mehdi Mirzazadeh , Apurva Shah , Markus Freitag

Neural Machine Translation (NMT) generates target words sequentially in the way of predicting the next word conditioned on the context words. At training time, it predicts with the ground truth words as context while at inference it has to…

计算与语言 · 计算机科学 2019-06-18 Wen Zhang , Yang Feng , Fandong Meng , Di You , Qun Liu

Larger models often outperform smaller ones but come with high computational costs. Cascading offers a potential solution. By default, it uses smaller models and defers only some instances to larger, more powerful models. However, designing…

计算与语言 · 计算机科学 2025-02-19 António Farinhas , Nuno M. Guerreiro , Sweta Agrawal , Ricardo Rei , André F. T. Martins

Large Language Models (LLMs) have shown remarkable performance across a wide range of natural language processing tasks. Quality Estimation (QE) for Machine Translation (MT), which assesses the quality of a source-target pair without…

计算与语言 · 计算机科学 2025-08-12 Archchana Sindhujan , Shenbin Qian , Chan Chi Chun Matthew , Constantin Orasan , Diptesh Kanojia

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…

计算与语言 · 计算机科学 2024-03-05 Fatemeh Azadi , Heshaam Faili , Mohammad Javad Dousti

Direct neural machine translation (direct NMT) is a type of NMT system that translates text between two non-English languages. Direct NMT systems often face limitations due to the scarcity of parallel data between non-English language…

计算与语言 · 计算机科学 2024-05-21 Isidora Chara Tourni , Subhajit Naskar

Pre-training has proven to be effective in unsupervised machine translation due to its ability to model deep context information in cross-lingual scenarios. However, the cross-lingual information obtained from shared BPE spaces is…

计算与语言 · 计算机科学 2019-09-04 Shuo Ren , Yu Wu , Shujie Liu , Ming Zhou , Shuai Ma

In the encoder-decoder architecture for neural machine translation (NMT), the hidden states of the recurrent structures in the encoder and decoder carry the crucial information about the sentence.These vectors are generated by parameters…

计算与语言 · 计算机科学 2017-08-08 Rongxiang Weng , Shujian Huang , Zaixiang Zheng , Xinyu Dai , Jiajun Chen

Analytic Translation Quality Evaluation (TQE), based on Multidimensional Quality Metrics (MQM), traditionally uses a linear error-to-penalty scale calibrated to a reference sample of 1000-2000 words. However, linear extrapolation biases…

计算与语言 · 计算机科学 2026-01-15 Serge Gladkoff , Lifeng Han , Katerina Gasova

Direct quantile regression involves estimating a given quantile of a response variable as a function of input variables. We present a new framework for direct quantile regression where a Gaussian process model is learned, minimising the…

统计方法学 · 统计学 2012-07-03 Alexis Boukouvalas , Remi Barillec , Dan Cornford

Trainable evaluation metrics for machine translation (MT) exhibit strong correlation with human judgements, but they are often hard to interpret and might produce unreliable scores under noisy or out-of-domain data. Recent work has…

计算与语言 · 计算机科学 2022-12-01 Chrysoula Zerva , Taisiya Glushkova , Ricardo Rei , André F. T. Martins

This work introduces a simple regressive ensemble for evaluating machine translation quality based on a set of novel and established metrics. We evaluate the ensemble using a correlation to expert-based MQM scores of the WMT 2021 Metrics…

计算与语言 · 计算机科学 2021-09-16 Michal Štefánik , Vít Novotný , Petr Sojka

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…

计算与语言 · 计算机科学 2023-10-27 Nikita Mehandru , Sweta Agrawal , Yimin Xiao , Elaine C Khoong , Ge Gao , Marine Carpuat , Niloufar Salehi

This study investigates how supervised quality estimation (QE) models of grammatical error correction (GEC) are affected by the learners' proficiency with the data. QE models for GEC evaluations in prior work have obtained a high…

计算与语言 · 计算机科学 2022-01-19 Yujin Takahashi , Masahiro Kaneko , Masato Mita , Mamoru Komachi

Quality Estimation (QE) is estimating quality of the model output during inference when the ground truth is not available. Deriving output quality from the models' output probability is the most trivial and low-effort way. However, we show…

计算与语言 · 计算机科学 2025-09-16 Tu Anh Dinh , Jan Niehues

This paper explores a better prediction target for BERT pre-training of vision transformers. We observe that current prediction targets disagree with human perception judgment.This contradiction motivates us to learn a perceptual prediction…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Xiaoyi Dong , Jianmin Bao , Ting Zhang , Dongdong Chen , Weiming Zhang , Lu Yuan , Dong Chen , Fang Wen , Nenghai Yu , Baining Guo

Quality of Experience (QoE) prediction plays a crucial role in optimizing resource management and enhancing user satisfaction across both telecommunication and OTT services. While recent advances predominantly rely on deep learning models,…

机器学习 · 计算机科学 2025-05-01 Vinti Nayar , Kanica Sachdev , Brejesh Lall

When the amount of parallel sentences available to train a neural machine translation is scarce, a common practice is to generate new synthetic training samples from them. A number of approaches have been proposed to produce synthetic…

Human evaluation of modern high-quality machine translation systems is a difficult problem, and there is increasing evidence that inadequate evaluation procedures can lead to erroneous conclusions. While there has been considerable research…

计算与语言 · 计算机科学 2022-04-27 Markus Freitag , George Foster , David Grangier , Viresh Ratnakar , Qijun Tan , Wolfgang Macherey

We present a novel self quality evaluation metric SQE for parameters optimization in the challenging yet critical multi-object tracking task. Current evaluation metrics all require annotated ground truth, thus will fail in the test…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Yanru Huang , Feiyu Zhu , Zheni Zeng , Xi Qiu , Yuan Shen , Jianan Wu