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We present a novel scheme to combine neural machine translation (NMT) with traditional statistical machine translation (SMT). Our approach borrows ideas from linearised lattice minimum Bayes-risk decoding for SMT. The NMT score is combined…

Computation and Language · Computer Science 2017-02-14 Felix Stahlberg , Adrià de Gispert , Eva Hasler , Bill Byrne

While synthetic bilingual corpora have demonstrated their effectiveness in low-resource neural machine translation (NMT), adding more synthetic data often deteriorates translation performance. In this work, we propose alternated training…

Computation and Language · Computer Science 2021-06-17 Rui Jiao , Zonghan Yang , Maosong Sun , Yang Liu

In this paper, we propose an effective way for biasing the attention mechanism of a sequence-to-sequence neural machine translation (NMT) model towards the well-studied statistical word alignment models. We show that our novel guided…

Computation and Language · Computer Science 2016-07-07 Wenhu Chen , Evgeny Matusov , Shahram Khadivi , Jan-Thorsten Peter

In this paper, we investigate the problem of training neural machine translation (NMT) systems with a dataset of more than 40 billion bilingual sentence pairs, which is larger than the largest dataset to date by orders of magnitude.…

Computation and Language · Computer Science 2019-10-08 Yuxian Meng , Xiangyuan Ren , Zijun Sun , Xiaoya Li , Arianna Yuan , Fei Wu , Jiwei Li

Machine translation systems achieve near human-level performance on some languages, yet their effectiveness strongly relies on the availability of large amounts of parallel sentences, which hinders their applicability to the majority of…

Computation and Language · Computer Science 2018-08-15 Guillaume Lample , Myle Ott , Alexis Conneau , Ludovic Denoyer , Marc'Aurelio Ranzato

This paper demonstrates that multilingual pretraining and multilingual fine-tuning are both critical for facilitating cross-lingual transfer in zero-shot translation, where the neural machine translation (NMT) model is tested on source…

Computation and Language · Computer Science 2022-04-14 Guanhua Chen , Shuming Ma , Yun Chen , Dongdong Zhang , Jia Pan , Wenping Wang , Furu Wei

Although neural machine translation has achieved promising results, it suffers from slow translation speed. The direct consequence is that a trade-off has to be made between translation quality and speed, thus its performance can not come…

Computation and Language · Computer Science 2018-09-11 Wen Zhang , Liang Huang , Yang Feng , Lei Shen , Qun Liu

Neural machine translation (NMT) has recently achieved impressive results. A potential problem of the existing NMT algorithm, however, is that the decoding is conducted from left to right, without considering the right context. This paper…

Computation and Language · Computer Science 2017-10-06 Aodong Li , Shiyue Zhang , Dong Wang , Thomas Fang Zheng

Neural Machine Translation (NMT) systems rely on large amounts of parallel data. This is a major challenge for low-resource languages. Building on recent work on unsupervised and semi-supervised methods, we present an approach that combines…

Computation and Language · Computer Science 2018-05-29 Lierni Sestorain , Massimiliano Ciaramita , Christian Buck , Thomas Hofmann

While most neural machine translation (NMT) systems are still trained using maximum likelihood estimation, recent work has demonstrated that optimizing systems to directly improve evaluation metrics such as BLEU can substantially improve…

Computation and Language · Computer Science 2019-09-17 John Wieting , Taylor Berg-Kirkpatrick , Kevin Gimpel , Graham Neubig

A rising interest in the modality extension of foundation language models warrants discussion on the most effective, and efficient, multimodal training approach. This work focuses on neural machine translation (NMT) and proposes a joint…

In Neural Machine Translation (NMT) the usage of subwords and characters as source and target units offers a simple and flexible solution for translation of rare and unseen words. However, selecting the optimal subword segmentation involves…

Computation and Language · Computer Science 2019-10-29 Tejas Srinivasan , Ramon Sanabria , Florian Metze

Automatic dubbing (AD) is among the machine translation (MT) use cases where translations should match a given length to allow for synchronicity between source and target speech. For neural MT, generating translations of length close to the…

Computation and Language · Computer Science 2022-02-18 Surafel M. Lakew , Yogesh Virkar , Prashant Mathur , Marcello Federico

Neural machine translation (NMT) approaches have improved the state of the art in many machine translation settings over the last couple of years, but they require large amounts of training data to produce sensible output. We demonstrate…

Computation and Language · Computer Science 2017-08-22 Robert Östling , Jörg Tiedemann

Neural Machine Translation (NMT) has become a popular technology in recent years, and the encoder-decoder framework is the mainstream among all the methods. It's obvious that the quality of the semantic representations from encoding is very…

Computation and Language · Computer Science 2020-01-15 Boyuan Pan , Yazheng Yang , Zhou Zhao , Yueting Zhuang , Deng Cai

Neural machine translation (NMT) has recently gained widespread attention because of its high translation accuracy. However, it shows poor performance in the translation of long sentences, which is a major issue in low-resource languages.…

Computation and Language · Computer Science 2021-04-20 Seiichiro Kondo , Kengo Hotate , Masahiro Kaneko , Mamoru Komachi

We conduct an empirical study of neural machine translation (NMT) for truly low-resource languages, and propose a training curriculum fit for cases when both parallel training data and compute resource are lacking, reflecting the reality of…

Computation and Language · Computer Science 2021-11-30 Garry Kuwanto , Afra Feyza Akyürek , Isidora Chara Tourni , Siyang Li , Alexander Gregory Jones , Derry Wijaya

Neural machine translation models are often biased toward the limited translation references seen during training. To amend this form of overfitting, in this paper we propose fine-tuning the models with a novel training objective based on…

Computation and Language · Computer Science 2021-06-07 Inigo Jauregi Unanue , Jacob Parnell , Massimo Piccardi

Neural Machine Translation (NMT) models achieve their best performance when large sets of parallel data are used for training. Consequently, techniques for augmenting the training set have become popular recently. One of these methods is…

Computation and Language · Computer Science 2019-09-10 Alberto Poncelas , Maja Popovic , Dimitar Shterionov , Gideon Maillette de Buy Wenniger , Andy Way

Many valid translations exist for a given sentence, yet machine translation (MT) is trained with a single reference translation, exacerbating data sparsity in low-resource settings. We introduce Simulated Multiple Reference Training (SMRT),…

Computation and Language · Computer Science 2021-04-23 Huda Khayrallah , Brian Thompson , Matt Post , Philipp Koehn