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Discriminative pre-trained language models (PLMs) learn to predict original texts from intentionally corrupted ones. Taking the former text as positive and the latter as negative samples, the PLM can be trained effectively for…

计算与语言 · 计算机科学 2022-12-02 Zhuosheng Zhang , Hai Zhao , Masao Utiyama , Eiichiro Sumita

Large language models (LLMs) excel in natural language processing but adapting these LLMs to speech processing tasks efficiently is not straightforward. Direct task-specific fine-tuning is limited by overfitting risks, data requirements,…

计算与语言 · 计算机科学 2025-06-02 Maike Züfle , Jan Niehues

Recently, unsupervised pre-training is gaining increasing popularity in the realm of computational linguistics, thanks to its surprising success in advancing natural language understanding (NLU) and the potential to effectively exploit…

计算与语言 · 计算机科学 2019-11-15 Yuanxin Liu , Zheng Lin

Deep learning based systems are susceptible to adversarial attacks, where a small, imperceptible change at the input alters the model prediction. However, to date the majority of the approaches to detect these attacks have been designed for…

计算与语言 · 计算机科学 2022-09-27 Vyas Raina , Mark Gales

Language models (LMs) are pretrained to imitate internet text, including content that would violate human preferences if generated by an LM: falsehoods, offensive comments, personally identifiable information, low-quality or buggy code, and…

Adversarial training has emerged as an effective approach to train robust neural network models that are resistant to adversarial attacks, even in low-label regimes where labeled data is scarce. In this paper, we introduce a novel…

机器学习 · 计算机科学 2024-11-28 Tian Ye , Rajgopal Kannan , Viktor Prasanna

It has been demonstrated that deep neural networks are prone to noisy examples particular adversarial samples during inference process. The gap between robust deep learning systems in real world applications and vulnerable neural networks…

机器学习 · 计算机科学 2018-07-03 Xinhan Di , Pengqian Yu , Meng Tian

The advent of transformer-based architectures and large language models (LLMs) have significantly advanced the performance of natural language processing (NLP) models. Since these LLMs are trained on huge corpuses of data from the web and…

计算与语言 · 计算机科学 2024-08-29 Arkadeep Baksi , Rahul Singh , Tarun Joshi

Large Language Models (LLMs) have revolutionized the field of natural language processing, but they fall short in comprehending biological sequences such as proteins. To address this challenge, we propose InstructProtein, an innovative LLM…

生物大分子 · 定量生物学 2023-10-06 Zeyuan Wang , Qiang Zhang , Keyan Ding , Ming Qin , Xiang Zhuang , Xiaotong Li , Huajun Chen

Adversarial training provides a means of regularizing supervised learning algorithms while virtual adversarial training is able to extend supervised learning algorithms to the semi-supervised setting. However, both methods require making…

机器学习 · 统计学 2021-11-17 Takeru Miyato , Andrew M. Dai , Ian Goodfellow

Masked Language Model (MLM) framework has been widely adopted for self-supervised language pre-training. In this paper, we argue that randomly sampled masks in MLM would lead to undesirably large gradient variance. Thus, we theoretically…

计算与语言 · 计算机科学 2020-10-15 Mingzhi Zheng , Dinghan Shen , Yelong Shen , Weizhu Chen , Lin Xiao

Pre-trained models have been successful in many protein engineering tasks. Most notably, sequence-based models have achieved state-of-the-art performance on protein fitness prediction while structure-based models have been used…

机器学习 · 计算机科学 2023-07-25 Antonia Boca , Simon Mathis

Large language models (LLMs) have achieved impressive performance in text summarization, yet their performance often falls short when applied to specialized domains that differ from their original pre-training distribution. While…

计算与语言 · 计算机科学 2025-10-10 Xue-Yong Fu , Elena Khasanova , Md Tahmid Rahman Laskar , Harsh Saini , Shashi Bhushan TN

Recent large-scale natural language processing (NLP) systems use a pre-trained Large Language Model (LLM) on massive and diverse corpora as a headstart. In practice, the pre-trained model is adapted to a wide array of tasks via fine-tuning…

计算与语言 · 计算机科学 2022-09-12 Jimit Majmudar , Christophe Dupuy , Charith Peris , Sami Smaili , Rahul Gupta , Richard Zemel

To train a deep neural network to mimic the outcomes of processing sequences, a version of Conditional Generalized Adversarial Network (CGAN) can be used. It has been observed by others that CGAN can help to improve the results even for…

Adapting Large Language Models (LLMs) that are extensively trained on abundant text data, and customizing the input prompt to enable time series forecasting has received considerable attention. While recent work has shown great potential…

机器学习 · 计算机科学 2024-12-09 Jayanie Bogahawatte , Sachith Seneviratne , Maneesha Perera , Saman Halgamuge

Pre-trained contextualized language models (PrLMs) have led to strong performance gains in downstream natural language understanding tasks. However, PrLMs can still be easily fooled by adversarial word substitution, which is one of the most…

计算与语言 · 计算机科学 2021-06-01 Rongzhou Bao , Jiayi Wang , Hai Zhao

Current neural-network-based classifiers are susceptible to adversarial examples. The most empirically successful approach to defending against such adversarial examples is adversarial training, which incorporates a strong self-attack…

机器学习 · 计算机科学 2020-06-08 Bai Li , Shiqi Wang , Suman Jana , Lawrence Carin

Language models can achieve high accuracy on natural language tasks such as NLI, but performance suffers on manually created adversarial examples. We investigate the performance of a language model trained on the Stanford Natural Language…

计算与语言 · 计算机科学 2024-10-31 Chris Achard

In the last a few decades, deep neural networks have achieved remarkable success in machine learning, computer vision, and pattern recognition. Recent studies however show that neural networks (both shallow and deep) may be easily fooled by…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Zhuang Qian , Kaizhu Huang , Qiu-Feng Wang , Xu-Yao Zhang