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Non-autoregressive translation (NAT) models remove the dependence on previous target tokens and generate all target tokens in parallel, resulting in significant inference speedup but at the cost of inferior translation accuracy compared to…

机器学习 · 计算机科学 2019-11-25 Junliang Guo , Xu Tan , Linli Xu , Tao Qin , Enhong Chen , Tie-Yan Liu

In this work, we introduce a novel local autoregressive translation (LAT) mechanism into non-autoregressive translation (NAT) models so as to capture local dependencies among tar-get outputs. Specifically, for each target decoding position,…

计算与语言 · 计算机科学 2020-11-13 Xiang Kong , Zhisong Zhang , Eduard Hovy

Non-autoregressive Transformer is a promising text generation model. However, current non-autoregressive models still fall behind their autoregressive counterparts in translation quality. We attribute this accuracy gap to the lack of…

计算与语言 · 计算机科学 2021-03-23 Yu Bao , Shujian Huang , Tong Xiao , Dongqi Wang , Xinyu Dai , Jiajun Chen

Unsupervised neural machine translation (NMT) is a recently proposed approach for machine translation which aims to train the model without using any labeled data. The models proposed for unsupervised NMT often use only one shared encoder…

计算与语言 · 计算机科学 2018-04-25 Zhen Yang , Wei Chen , Feng Wang , Bo Xu

Non-autoregressive neural machine translation (NAT) suffers from the multi-modality problem: the source sentence may have multiple correct translations, but the loss function is calculated only according to the reference sentence.…

计算与语言 · 计算机科学 2022-05-31 Chenze Shao , Xuanfu Wu , Yang Feng

Unsupervised neural machine translation (UNMT) has recently achieved remarkable results for several language pairs. However, it can only translate between a single language pair and cannot produce translation results for multiple language…

计算与语言 · 计算机科学 2020-04-22 Haipeng Sun , Rui Wang , Kehai Chen , Masao Utiyama , Eiichiro Sumita , Tiejun Zhao

Multilingual machine translation (MMT) benefits from cross-lingual transfer but is a challenging multitask optimization problem. This is partly because there is no clear framework to systematically learn language-specific parameters.…

计算与语言 · 计算机科学 2023-02-13 Haoran Xu , Jean Maillard , Vedanuj Goswami

Non-autoregressive (NAR) machine translation has recently achieved significant improvements, and now outperforms autoregressive (AR) models on some benchmarks, providing an efficient alternative to AR inference. However, while AR…

计算与语言 · 计算机科学 2021-12-17 Sweta Agrawal , Julia Kreutzer , Colin Cherry

Most neural machine translation models only rely on pairs of parallel sentences, assuming syntactic information is automatically learned by an attention mechanism. In this work, we investigate different approaches to incorporate syntactic…

计算与语言 · 计算机科学 2020-04-22 Emanuele Bugliarello , Naoaki Okazaki

Non-autoregressive translation (NAT) significantly accelerates the inference process by predicting the entire target sequence. However, due to the lack of target dependency modelling in the decoder, the conditional generation process…

计算与语言 · 计算机科学 2020-11-03 Liang Ding , Longyue Wang , Di Wu , Dacheng Tao , Zhaopeng Tu

Non-Autoregressive Neural Machine Translation (NAT) achieves significant decoding speedup through generating target words independently and simultaneously. However, in the context of non-autoregressive translation, the word-level…

计算与语言 · 计算机科学 2019-11-22 Chenze Shao , Jinchao Zhang , Yang Feng , Fandong Meng , Jie Zhou

While non-autoregressive (NAR) models are showing great promise for machine translation, their use is limited by their dependence on knowledge distillation from autoregressive models. To address this issue, we seek to understand why…

计算与语言 · 计算机科学 2021-05-28 Weijia Xu , Shuming Ma , Dongdong Zhang , Marine Carpuat

In this paper a doubly attentive transformer machine translation model (DATNMT) is presented in which a doubly-attentive transformer decoder normally joins spatial visual features obtained via pretrained convolutional neural networks,…

计算与语言 · 计算机科学 2018-08-01 Hasan Sait Arslan , Mark Fishel , Gholamreza Anbarjafari

Non-autoregressive machine translation (NAT) models have lower translation quality than autoregressive translation (AT) models because NAT decoders do not depend on previous target tokens in the decoder input. We propose a novel and general…

计算与语言 · 计算机科学 2023-08-03 Jiaao Zhan , Qian Chen , Boxing Chen , Wen Wang , Yu Bai , Yang Gao

Non-autoregressive translation (NAT) model achieves a much faster inference speed than the autoregressive translation (AT) model because it can simultaneously predict all tokens during inference. However, its translation quality suffers…

计算与语言 · 计算机科学 2023-01-30 Huanran Zheng , Wei Zhu , Pengfei Wang , Xiaoling Wang

Scarcity of parallel sentence-pairs poses a significant hurdle for training high-quality Neural Machine Translation (NMT) models in bilingually low-resource scenarios. A standard approach is transfer learning, which involves taking a model…

计算与语言 · 计算机科学 2020-10-13 Fahimeh Saleh , Wray Buntine , Gholamreza Haffari

Multilingual machine translation, which translates multiple languages with a single model, has attracted much attention due to its efficiency of offline training and online serving. However, traditional multilingual translation usually…

计算与语言 · 计算机科学 2019-05-01 Xu Tan , Yi Ren , Di He , Tao Qin , Zhou Zhao , Tie-Yan Liu

While neural machine translation (NMT) models provide improved translation quality in an elegant, end-to-end framework, it is less clear what they learn about language. Recent work has started evaluating the quality of vector…

计算与语言 · 计算机科学 2018-01-25 Yonatan Belinkov , Lluís Màrquez , Hassan Sajjad , Nadir Durrani , Fahim Dalvi , James Glass

Large Language Models (LLM) have demonstrated their strong ability in the field of machine translation (MT), yet they suffer from high computational cost and latency. Therefore, transferring translation knowledge from giant LLMs to…

计算与语言 · 计算机科学 2024-04-02 Jiahuan Li , Shanbo Cheng , Shujian Huang , Jiajun Chen

However, current autoregressive approaches suffer from high latency. In this paper, we focus on non-autoregressive translation (NAT) for this problem for its efficiency advantage. We identify that current constrained NAT models, which are…

计算与语言 · 计算机科学 2022-10-27 Chun Zeng , Jiangjie Chen , Tianyi Zhuang , Rui Xu , Hao Yang , Ying Qin , Shimin Tao , Yanghua Xiao