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Neural machine translation (NMT) becomes a new approach to machine translation and generates much more fluent results compared to statistical machine translation (SMT). However, SMT is usually better than NMT in translation adequacy. It is…

计算与语言 · 计算机科学 2017-04-24 Long Zhou , Wenpeng Hu , Jiajun Zhang , Chengqing Zong

Encoder-decoder models have achieved remarkable success in speech and text tasks, yet efficiently adapting these models to diverse uni/multi-modal scenarios remains an open challenge. In this paper, we propose Whisper-UT, a unified and…

We present effective pre-training strategies for neural machine translation (NMT) using parallel corpora involving a pivot language, i.e., source-pivot and pivot-target, leading to a significant improvement in source-target translation. We…

计算与语言 · 计算机科学 2019-09-23 Yunsu Kim , Petre Petrov , Pavel Petrushkov , Shahram Khadivi , Hermann Ney

Transfer learning or multilingual model is essential for low-resource neural machine translation (NMT), but the applicability is limited to cognate languages by sharing their vocabularies. This paper shows effective techniques to transfer a…

计算与语言 · 计算机科学 2019-06-06 Yunsu Kim , Yingbo Gao , Hermann Ney

Neural chat translation (NCT) aims to translate a cross-lingual chat between speakers of different languages. Existing context-aware NMT models cannot achieve satisfactory performances due to the following inherent problems: 1) limited…

计算与语言 · 计算机科学 2023-01-30 Chulun Zhou , Yunlong Liang , Fandong Meng , Jie Zhou , Jinan Xu , Hongji Wang , Min Zhang , Jinsong Su

Being one of the IR-NAT (Iterative-refinemennt-based NAT) frameworks, the Conditional Masked Language Model (CMLM) adopts the mask-predict paradigm to re-predict the masked low-confidence tokens. However, CMLM suffers from the data…

计算与语言 · 计算机科学 2024-02-16 Xinran Chen , Sufeng Duan , Gongshen Liu

In translation, considering the document as a whole can help to resolve ambiguities and inconsistencies. In this paper, we propose a cross-sentence context-aware approach and investigate the influence of historical contextual information on…

计算与语言 · 计算机科学 2017-07-25 Longyue Wang , Zhaopeng Tu , Andy Way , Qun Liu

Using a language model (LM) pretrained on two languages with large monolingual data in order to initialize an unsupervised neural machine translation (UNMT) system yields state-of-the-art results. When limited data is available for one…

计算与语言 · 计算机科学 2020-10-07 Alexandra Chronopoulou , Dario Stojanovski , Alexander Fraser

Pre-training models on vast quantities of unlabeled data has emerged as an effective approach to improving accuracy on many NLP tasks. On the other hand, traditional machine translation has a long history of leveraging unlabeled data…

计算与语言 · 计算机科学 2020-11-17 Shruti Bhosale , Kyra Yee , Sergey Edunov , Michael Auli

Large language model (LLM) has achieved promising performance in multilingual machine translation tasks through zero/few-shot prompts or prompt-tuning. However, due to the mixture of multilingual data during the pre-training of LLM, the…

计算与语言 · 计算机科学 2024-03-12 Shaojie Dai , Xin Liu , Ping Luo , Yue Yu

Prompt tuning has become a new paradigm for model tuning and it has demonstrated success in natural language pretraining and even vision pretraining. In this work, we explore the transfer of prompt tuning to multimodal pretraining, with a…

计算与语言 · 计算机科学 2022-08-05 Hao Yang , Junyang Lin , An Yang , Peng Wang , Chang Zhou , Hongxia Yang

Existing approaches to neural machine translation (NMT) generate the target language sequence token by token from left to right. However, this kind of unidirectional decoding framework cannot make full use of the target-side future contexts…

计算与语言 · 计算机科学 2019-05-14 Long Zhou , Jiajun Zhang , Chengqing Zong

Contrastive pre-training on image-text pairs, exemplified by CLIP, becomes a standard technique for learning multi-modal visual-language representations. Although CLIP has demonstrated remarkable performance, training it from scratch on…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Jihao Liu , Jinliang Zheng , Boxiao Liu , Yu Liu , Hongsheng Li

Recently, fine-tuning pre-trained language models (e.g., multilingual BERT) to downstream cross-lingual tasks has shown promising results. However, the fine-tuning process inevitably changes the parameters of the pre-trained model and…

计算与语言 · 计算机科学 2020-10-06 Zihan Liu , Genta Indra Winata , Andrea Madotto , Pascale Fung

We propose an approach for pre-training speech representations via a masked reconstruction loss. Our pre-trained encoder networks are bidirectional and can therefore be used directly in typical bidirectional speech recognition models. The…

音频与语音处理 · 电气工程与系统科学 2020-05-07 Weiran Wang , Qingming Tang , Karen Livescu

Neural Machine Translation (NMT) models are typically trained on heterogeneous data that are concatenated and randomly shuffled. However, not all of the training data are equally useful to the model. Curriculum training aims to present the…

计算与语言 · 计算机科学 2022-03-29 Tasnim Mohiuddin , Philipp Koehn , Vishrav Chaudhary , James Cross , Shruti Bhosale , Shafiq Joty

Over the past few decades, Artificial Intelligence(AI) has progressed from the initial machine learning stage to the deep learning stage, and now to the stage of foundational models. Foundational models have the characteristics of…

计算与语言 · 计算机科学 2024-11-28 Lewen Yang , Xuanyu Zhou , Juao Fan , Xinyi Xie , Shengxin Zhu

Neural text-to-speech (TTS) models can synthesize natural human speech when trained on large amounts of transcribed speech. However, collecting such large-scale transcribed data is expensive. This paper proposes an unsupervised pre-training…

音频与语音处理 · 电气工程与系统科学 2023-03-29 Seongyeon Park , Myungseo Song , Bohyung Kim , Tae-Hyun Oh

The integration of language models for neural machine translation has been extensively studied in the past. It has been shown that an external language model, trained on additional target-side monolingual data, can help improve translation…

计算与语言 · 计算机科学 2023-06-09 Christian Herold , Yingbo Gao , Mohammad Zeineldeen , Hermann Ney

Universal language representation is the holy grail in machine translation (MT). Thanks to the new neural MT approach, it seems that there are good perspectives towards this goal. In this paper, we propose a new architecture based on…

计算与语言 · 计算机科学 2018-10-16 Carlos Escolano , Marta R. Costa-jussà , José A. R. Fonollosa