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Generative adversarial networks (GANs) have achieved significant success in generating real-valued data. However, the discrete nature of text hinders the application of GAN to text-generation tasks. Instead of using the standard GAN…

计算与语言 · 计算机科学 2020-08-13 Liqun Chen , Shuyang Dai , Chenyang Tao , Dinghan Shen , Zhe Gan , Haichao Zhang , Yizhe Zhang , Lawrence Carin

Recent approaches to data-to-text generation have adopted the very successful encoder-decoder architecture or variants thereof. These models generate text which is fluent (but often imprecise) and perform quite poorly at selecting…

计算与语言 · 计算机科学 2021-02-05 Ratish Puduppully , Mirella Lapata

In recent years, the fine-tuned generative models have been proven more powerful than the previous tagging-based or span-based models on named entity recognition (NER) task. It has also been found that the information related to entities,…

计算与语言 · 计算机科学 2024-06-12 Guochao Jiang , Ziqin Luo , Yuchen Shi , Dixuan Wang , Jiaqing Liang , Deqing Yang

Reliable training of generative adversarial networks (GANs) typically require massive datasets in order to model complicated distributions. However, in several applications, training samples obey invariances that are \textit{a priori}…

Most state-of-the-art machine learning (ML) classification systems are vulnerable to adversarial perturbations. As a consequence, adversarial robustness poses a significant challenge for the deployment of ML-based systems in safety- and…

As more and more data is collected in various settings across organizations, companies, and countries, there has been an increase in the demand of user privacy. Developing privacy preserving methods for data analytics is thus an important…

音频与语音处理 · 电气工程与系统科学 2020-06-18 David Ericsson , Adam Östberg , Edvin Listo Zec , John Martinsson , Olof Mogren

Reinforcement learning is a powerful technique to train an agent to perform a task. However, an agent that is trained using reinforcement learning is only capable of achieving the single task that is specified via its reward function. Such…

机器学习 · 计算机科学 2018-07-24 Carlos Florensa , David Held , Xinyang Geng , Pieter Abbeel

Recent work has proposed several efficient approaches for generating gradient-based adversarial perturbations on embeddings and proved that the model's performance and robustness can be improved when they are trained with these contaminated…

计算与语言 · 计算机科学 2021-09-15 Yao Qiu , Jinchao Zhang , Jie Zhou

Neural text detectors aim to decide the characteristics that distinguish neural (machine-generated) from human texts. To challenge such detectors, adversarial attacks can alter the statistical characteristics of the generated text, making…

密码学与安全 · 计算机科学 2023-02-14 Gongbo Liang , Jesus Guerrero , Izzat Alsmadi

Besides the well-known classification task, these days neural networks are frequently being applied to generate or transform data, such as images and audio signals. In such tasks, the conventional loss functions like the mean squared error…

Generating paragraphs of diverse contents is important in many applications. Existing generation models produce similar contents from homogenized contexts due to the fixed left-to-right sentence order. Our idea is permuting the sentence…

计算与语言 · 计算机科学 2021-09-08 Wenhao Yu , Chenguang Zhu , Tong Zhao , Zhichun Guo , Meng Jiang

Variational autoencoders (VAEs) have received much attention recently as an end-to-end architecture for text generation with latent variables. In this paper, we investigate several multi-level structures to learn a VAE model to generate…

计算与语言 · 计算机科学 2019-06-21 Dinghan Shen , Asli Celikyilmaz , Yizhe Zhang , Liqun Chen , Xin Wang , Jianfeng Gao , Lawrence Carin

We propose a novel lightweight generative adversarial network for efficient image manipulation using natural language descriptions. To achieve this, a new word-level discriminator is proposed, which provides the generator with fine-grained…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Bowen Li , Xiaojuan Qi , Philip H. S. Torr , Thomas Lukasiewicz

Faces generated using generative adversarial networks (GANs) have reached unprecedented realism. These faces, also known as "Deep Fakes", appear as realistic photographs with very little pixel-level distortions. While some work has enabled…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Manan Oza , Sukalpa Chanda , David Doermann

Over the last few years, Contextualized Pre-trained Neural Language Models, such as BERT, GPT, have shown significant gains in various NLP tasks. To enhance the robustness of existing pre-trained models, one way is adversarial examples…

计算与语言 · 计算机科学 2021-10-05 Wenqian Ye , Fei Xu , Yaojia Huang , Cassie Huang , Ji A

The author-specific word usage is a vital feature to let readers perceive the writing style of the author. In this work, a personalized sentence generation method based on generative adversarial networks (GANs) is proposed to cope with this…

计算与语言 · 计算机科学 2019-04-23 Chenhan Yuan , Yi-Chin Huang

Adversarial attacks for discrete data (such as texts) have been proved significantly more challenging than continuous data (such as images) since it is difficult to generate adversarial samples with gradient-based methods. Current…

计算与语言 · 计算机科学 2020-10-05 Linyang Li , Ruotian Ma , Qipeng Guo , Xiangyang Xue , Xipeng Qiu

Pretrained using large amount of data, autoregressive language models are able to generate high quality sequences. However, these models do not perform well under hard lexical constraints as they lack fine control of content generation…

计算与语言 · 计算机科学 2021-03-18 Lee-Hsun Hsieh , Yang-Yin Lee , Ee-Peng Lim

Text generation from AMR involves emitting sentences that reflect the meaning of their AMR annotations. Neural sequence-to-sequence models have successfully been used to decode strings from flattened graphs (e.g., using depth-first or…

计算与语言 · 计算机科学 2019-12-05 Lisa Jin , Daniel Gildea

Deep neural networks (DNNs) have shown remarkable performance in a variety of domains such as computer vision, speech recognition, or natural language processing. Recently they also have been applied to various software engineering tasks,…

软件工程 · 计算机科学 2023-07-26 Yu Zhou , Xiaoqing Zhang , Juanjuan Shen , Tingting Han , Taolue Chen , Harald Gall