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In recent years, the sequence-to-sequence learning neural networks with attention mechanism have achieved great progress. However, there are still challenges, especially for Neural Machine Translation (NMT), such as lower translation…

计算与语言 · 计算机科学 2018-11-26 Si Zuo , Zhimin Xu

Sentence-level classification and sequential labeling are two fundamental tasks in language understanding. While these two tasks are usually modeled separately, in reality, they are often correlated, for example in intent classification and…

计算与语言 · 计算机科学 2017-10-02 Mingbo Ma , Kai Zhao , Liang Huang , Bing Xiang , Bowen Zhou

The prevalent approach to sequence to sequence learning maps an input sequence to a variable length output sequence via recurrent neural networks. We introduce an architecture based entirely on convolutional neural networks. Compared to…

计算与语言 · 计算机科学 2017-07-26 Jonas Gehring , Michael Auli , David Grangier , Denis Yarats , Yann N. Dauphin

Although Neural Machine Translation (NMT) models have advanced state-of-the-art performance in machine translation, they face problems like the inadequate translation. We attribute this to that the standard Maximum Likelihood Estimation…

计算与语言 · 计算机科学 2018-11-22 Xiang Kong , Zhaopeng Tu , Shuming Shi , Eduard Hovy , Tong Zhang

Despite their advantages, normalizing flows generally suffer from several shortcomings including their tendency to generate unrealistic data (e.g., images) and their failing to detect out-of-distribution data. One reason for these…

机器学习 · 统计学 2022-07-13 Florentin Coeurdoux , Nicolas Dobigeon , Pierre Chainais

We propose a neural sequence-to-sequence model for direction following, a task that is essential to realizing effective autonomous agents. Our alignment-based encoder-decoder model with long short-term memory recurrent neural networks…

计算与语言 · 计算机科学 2015-12-18 Hongyuan Mei , Mohit Bansal , Matthew R. Walter

Learning to read words aloud is a major step towards becoming a reader. Many children struggle with the task because of the inconsistencies of English spelling-sound correspondences. Curricula vary enormously in how these patterns are…

机器学习 · 计算机科学 2020-07-03 Ayon Sen , Christopher R. Cox , Matthew Cooper Borkenhagen , Mark S. Seidenberg , Xiaojin Zhu

This work investigates an alternative model for neural machine translation (NMT) and proposes a novel architecture, where we employ a multi-dimensional long short-term memory (MDLSTM) for translation modeling. In the state-of-the-art…

计算与语言 · 计算机科学 2018-10-10 Parnia Bahar , Christopher Brix , Hermann Ney

In recent years, Neural Machine Translation (NMT) has achieved notable results in various translation tasks. However, the word-by-word generation manner determined by the autoregressive mechanism leads to high translation latency of the NMT…

计算与语言 · 计算机科学 2021-09-02 Chenze Shao , Yang Feng , Jinchao Zhang , Fandong Meng , Jie Zhou

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

Modeling the structure of coherent texts is a key NLP problem. The task of coherently organizing a given set of sentences has been commonly used to build and evaluate models that understand such structure. We propose an end-to-end…

计算与语言 · 计算机科学 2017-12-25 Lajanugen Logeswaran , Honglak Lee , Dragomir Radev

Neural Processes (NPs) are a class of models that learn a mapping from a context set of input-output pairs to a distribution over functions. They are traditionally trained using maximum likelihood with a KL divergence regularization term.…

机器学习 · 计算机科学 2020-01-13 Andrew Carr , Jared Nielsen , David Wingate

A variety of contextualised language models have been proposed in the NLP community, which are trained on diverse corpora to produce numerous Neural Language Models (NLMs). However, different NLMs have reported different levels of…

计算与语言 · 计算机科学 2022-04-19 Keigo Takahashi , Danushka Bollegala

Auto-regressive sequence generative models trained by Maximum Likelihood Estimation suffer the exposure bias problem in practical finite sample scenarios. The crux is that the number of training samples for Maximum Likelihood Estimation is…

机器学习 · 统计学 2020-07-14 Yuxuan Song , Ning Miao , Hao Zhou , Lantao Yu , Mingxuan Wang , Lei Li

We present Neural Machine Translation (NMT) training using document-level metrics with batch-level documents. Previous sequence-objective approaches to NMT training focus exclusively on sentence-level metrics like sentence BLEU which do not…

计算与语言 · 计算机科学 2020-05-05 Danielle Saunders , Felix Stahlberg , Bill Byrne

Most language models (LMs) are trained and applied in an autoregressive left-to-right fashion, assuming that the next token only depends on the preceding ones. However, this assumption ignores the potential benefits of using the full…

计算与语言 · 计算机科学 2023-03-14 Anh Nguyen , Nikos Karampatziakis , Weizhu Chen

This paper proposes a general method for improving the structure and quality of sequences generated by a recurrent neural network (RNN), while maintaining information originally learned from data, as well as sample diversity. An RNN is…

Generating coherent and cohesive long-form texts is a challenging task. Previous works relied on large amounts of human-generated texts to train neural language models. However, few attempted to explicitly improve neural language models…

计算与语言 · 计算机科学 2019-05-30 Woon Sang Cho , Pengchuan Zhang , Yizhe Zhang , Xiujun Li , Michel Galley , Chris Brockett , Mengdi Wang , Jianfeng Gao

Existing curriculum learning approaches to Neural Machine Translation (NMT) require sampling sufficient amounts of "easy" samples from training data at the early training stage. This is not always achievable for low-resource languages where…

计算与语言 · 计算机科学 2021-03-23 Chen Liang , Haoming Jiang , Xiaodong Liu , Pengcheng He , Weizhu Chen , Jianfeng Gao , Tuo Zhao

Semantic parsing is the process of translating natural language utterances into logical forms, which has many important applications such as question answering and instruction following. Sequence-to-sequence models have been very successful…

计算与语言 · 计算机科学 2019-05-29 Amir Ziai