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Related papers: Enhancing Context Through Contrast

200 papers

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

Learning sentence embeddings in an unsupervised manner is fundamental in natural language processing. Recent common practice is to couple pre-trained language models with unsupervised contrastive learning, whose success relies on augmenting…

Computation and Language · Computer Science 2022-10-20 Qiyu Wu , Chongyang Tao , Tao Shen , Can Xu , Xiubo Geng , Daxin Jiang

Discriminative translation models utilizing source context have been shown to help statistical machine translation performance. We propose a novel extension of this work using target context information. Surprisingly, we show that this…

Computation and Language · Computer Science 2016-07-06 Aleš Tamchyna , Alexander Fraser , Ondřej Bojar , Marcin Junczys-Dowmunt

Background: Neural networks produce biased classification results due to correlation bias (they learn correlations between their inputs and outputs to classify samples, even when those correlations do not represent cause-and-effect…

Computation and Language · Computer Science 2022-04-25 Jared Mowery

There is extensive interest in metric learning methods for image retrieval. Many metric learning loss functions focus on learning a correct ranking of training samples, but strongly overfit semantically inconsistent labels and require a…

Machine Learning · Computer Science 2023-06-05 Christopher Liao , Theodoros Tsiligkaridis , Brian Kulis

Recent self-supervised contrastive methods have been able to produce impressive transferable visual representations by learning to be invariant to different data augmentations. However, these methods implicitly assume a particular set of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Tete Xiao , Xiaolong Wang , Alexei A. Efros , Trevor Darrell

Matching images and sentences demands a fine understanding of both modalities. In this paper, we propose a new system to discriminatively embed the image and text to a shared visual-textual space. In this field, most existing works apply…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Zhedong Zheng , Liang Zheng , Michael Garrett , Yi Yang , Mingliang Xu , Yi-Dong Shen

Communication is a powerful tool for coordination in multi-agent RL. But inducing an effective, common language is a difficult challenge, particularly in the decentralized setting. In this work, we introduce an alternative perspective where…

Artificial Intelligence · Computer Science 2024-02-05 Yat Long Lo , Biswa Sengupta , Jakob Foerster , Michael Noukhovitch

Monolingual data have been demonstrated to be helpful in improving translation quality of both statistical machine translation (SMT) systems and neural machine translation (NMT) systems, especially in resource-poor or domain adaptation…

Computation and Language · Computer Science 2018-03-02 Zhirui Zhang , Shujie Liu , Mu Li , Ming Zhou , Enhong Chen

In Machine Translation, considering the document as a whole can help to resolve ambiguities and inconsistencies. In this paper, we propose a simple yet promising approach to add contextual information in Neural Machine Translation. We…

Computation and Language · Computer Science 2019-10-17 Valentin Macé , Christophe Servan

Despite the recent success on image classification, self-training has only achieved limited gains on structured prediction tasks such as neural machine translation (NMT). This is mainly due to the compositionality of the target space, where…

Computation and Language · Computer Science 2020-12-08 Minkai Xu , Mingxuan Wang , Zhouhan Lin , Hao Zhou , Weinan Zhang , Lei Li

Learning by contrasting positive and negative samples is a general strategy adopted by many methods. Noise contrastive estimation (NCE) for word embeddings and translating embeddings for knowledge graphs are examples in NLP employing this…

Computation and Language · Computer Science 2018-08-06 Avishek Joey Bose , Huan Ling , Yanshuai Cao

This paper rethinks translation memory augmented neural machine translation (TM-augmented NMT) from two perspectives, i.e., a probabilistic view of retrieval and the variance-bias decomposition principle. The finding demonstrates that…

Computation and Language · Computer Science 2023-06-13 Hongkun Hao , Guoping Huang , Lemao Liu , Zhirui Zhang , Shuming Shi , Rui Wang

For years, adversarial training has been extensively studied in natural language processing (NLP) settings. The main goal is to make models robust so that similar inputs derive in semantically similar outcomes, which is not a trivial…

Computation and Language · Computer Science 2021-09-21 Daniela N. Rim , DongNyeong Heo , Heeyoul Choi

Contrastive representation learning, which aims to learnthe shared information between different views of unlabeled data by maximizing the mutual information between them, has shown its powerful competence in self-supervised learning for…

Machine Learning · Computer Science 2024-08-21 Xuechu Yu

Neural Machine Translation models tend to perpetuate gender bias present in their training data distribution. Context-aware models have been previously suggested as a means to mitigate this type of bias. In this work, we examine this claim…

Computation and Language · Computer Science 2024-06-19 Harritxu Gete , Thierry Etchegoyhen

Neural machine translation has significantly pushed forward the quality of the field. However, there are remaining big issues with the output translations and one of them is fairness. Neural models are trained on large text corpora which…

Computation and Language · Computer Science 2019-06-04 Joel Escudé Font , Marta R. Costa-jussà

We propose a method to transfer knowledge across neural machine translation (NMT) models by means of a shared dynamic vocabulary. Our approach allows to extend an initial model for a given language pair to cover new languages by adapting…

Computation and Language · Computer Science 2018-11-06 Surafel M. Lakew , Aliia Erofeeva , Matteo Negri , Marcello Federico , Marco Turchi

Neural machine translation (NMT) models are conventionally trained with token-level negative log-likelihood (NLL), which does not guarantee that the generated translations will be optimized for a selected sequence-level evaluation metric.…

Computation and Language · Computer Science 2021-04-16 Raphael Shu , Kang Min Yoo , Jung-Woo Ha

Unsupervised cross-lingual pretraining has achieved strong results in neural machine translation (NMT), by drastically reducing the need for large parallel data. Most approaches adapt masked-language modeling (MLM) to sequence-to-sequence…

Computation and Language · Computer Science 2021-06-11 Christos Baziotis , Ivan Titov , Alexandra Birch , Barry Haddow