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相关论文: Improved Text Classification via Contrastive Adver…

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Fine-tuning of pre-trained transformer networks such as BERT yield state-of-the-art results for text classification tasks. Typically, fine-tuning is performed on task-specific training datasets in a supervised manner. One can also fine-tune…

计算与语言 · 计算机科学 2020-06-12 Gregor Wiedemann , Seid Muhie Yimam , Chris Biemann

Adversarial training has been shown effective at endowing the learned representations with stronger generalization ability. However, it typically requires expensive computation to determine the direction of the injected perturbations. In…

计算与语言 · 计算机科学 2020-10-26 Dinghan Shen , Mingzhi Zheng , Yelong Shen , Yanru Qu , Weizhu Chen

Although large-scale pretrained language models, such as BERT and RoBERTa, have achieved superhuman performance on in-distribution test sets, their performance suffers on out-of-distribution test sets (e.g., on contrast sets). Building…

计算与语言 · 计算机科学 2020-11-13 Chuanrong Li , Lin Shengshuo , Leo Z. Liu , Xinyi Wu , Xuhui Zhou , Shane Steinert-Threlkeld

Contrastive learning has moved the state of the art for many tasks in computer vision and information retrieval in recent years. This poster is the first work that applies supervised contrastive learning to the task of product matching in…

机器学习 · 计算机科学 2022-05-03 Ralph Peeters , Christian Bizer

Health mentioning classification (HMC) classifies an input text as health mention or not. Figurative and non-health mention of disease words makes the classification task challenging. Learning the context of the input text is the key to…

人工智能 · 计算机科学 2022-03-04 Pervaiz Iqbal Khan , Shoaib Ahmed Siddiqui , Imran Razzak , Andreas Dengel , Sheraz Ahmed

Real-world natural language processing systems need to be robust to human adversaries. Collecting examples of human adversaries for training is an effective but expensive solution. On the other hand, training on synthetic attacks with small…

机器学习 · 计算机科学 2024-02-16 Aradhana Sinha , Ananth Balashankar , Ahmad Beirami , Thi Avrahami , Jilin Chen , Alex Beutel

Consistency training regularizes a model by enforcing predictions of original and perturbed inputs to be similar. Previous studies have proposed various augmentation methods for the perturbation but are limited in that they are agnostic to…

计算与语言 · 计算机科学 2022-04-29 Jungsoo Park , Gyuwan Kim , Jaewoo Kang

The robustness of neural networks to intended perturbations has recently attracted significant attention. In this paper, we propose a new method, \emph{learning with a strong adversary}, that learns robust classifiers from supervised data.…

机器学习 · 计算机科学 2016-01-19 Ruitong Huang , Bing Xu , Dale Schuurmans , Csaba Szepesvari

The design of better automated dialogue evaluation metrics offers the potential of accelerate evaluation research on conversational AI. However, existing trainable dialogue evaluation models are generally restricted to classifiers trained…

计算与语言 · 计算机科学 2021-04-19 Xiang Gao , Yizhe Zhang , Michel Galley , Bill Dolan

Data augmentation plays a pivotal role in enhancing and diversifying training data. Nonetheless, consistently improving model performance in varied learning scenarios, especially those with inherent data biases, remains challenging. To…

机器学习 · 计算机科学 2024-06-04 Xiaoling Zhou , Wei Ye , Zhemg Lee , Rui Xie , Shikun Zhang

Adversarial training has shown impressive success in learning bilingual dictionary without any parallel data by mapping monolingual embeddings to a shared space. However, recent work has shown superior performance for non-adversarial…

计算与语言 · 计算机科学 2019-04-09 Tasnim Mohiuddin , Shafiq Joty

We introduce a new large-scale NLI benchmark dataset, collected via an iterative, adversarial human-and-model-in-the-loop procedure. We show that training models on this new dataset leads to state-of-the-art performance on a variety of…

计算与语言 · 计算机科学 2020-05-07 Yixin Nie , Adina Williams , Emily Dinan , Mohit Bansal , Jason Weston , Douwe Kiela

Large language models (LLMs) are becoming increasingly important for machine learning applications. However, it can be challenging to align LLMs with our intent, particularly when we want to generate content that is preferable over others…

计算与语言 · 计算机科学 2024-04-09 Xiang Gao , Kamalika Das

Efforts to address declining accuracy as a result of data shifts often involve various data-augmentation strategies. Adversarial training is one such method, designed to improve robustness to worst-case distribution shifts caused by…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Fatemeh Amerehi , Patrick Healy

While deep neural networks have achieved remarkable success in various computer vision tasks, they often fail to generalize to new domains and subtle variations of input images. Several defenses have been proposed to improve the robustness…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Omid Poursaeed , Tianxing Jiang , Harry Yang , Serge Belongie , SerNam Lim

Beyond the success story of adversarial training (AT) in the recent text domain on top of pre-trained language models (PLMs), our empirical study showcases the inconsistent gains from AT on some tasks, e.g. commonsense reasoning, named…

计算与语言 · 计算机科学 2023-05-09 Hongqiu Wu , Yongxiang Liu , Hanwen Shi , Hai Zhao , Min Zhang

Contrastive learning techniques have been widely used in the field of computer vision as a means of augmenting datasets. In this paper, we extend the use of these contrastive learning embeddings to sentiment analysis tasks and demonstrate…

计算与语言 · 计算机科学 2021-12-03 Ipsita Mohanty , Ankit Goyal , Alex Dotterweich

Word-level adversarial attacks have shown success in NLP models, drastically decreasing the performance of transformer-based models in recent years. As a countermeasure, adversarial defense has been explored, but relatively few efforts have…

计算与语言 · 计算机科学 2022-03-04 KiYoon Yoo , Jangho Kim , Jiho Jang , Nojun Kwak

Adversarial approach has been widely used for data generation in the last few years. However, this approach has not been extensively utilized for classifier training. In this paper, we propose an adversarial framework for classifier…

机器学习 · 计算机科学 2018-11-22 Ehsan Montahaei , Mahsa Ghorbani , Mahdieh Soleymani Baghshah , Hamid R. Rabiee

Existing adversarial learning approaches mostly use class labels to generate adversarial samples that lead to incorrect predictions, which are then used to augment the training of the model for improved robustness. While some recent works…

机器学习 · 计算机科学 2020-10-27 Minseon Kim , Jihoon Tack , Sung Ju Hwang