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Monitoring data transfer performance is a crucial task in scientific computing networks. By predicting performance early in the communication phase, potentially sluggish transfers can be identified and selectively monitored, optimizing…

机器学习 · 计算机科学 2025-12-17 Jacob Taegon Kim , Alex Sim , Kesheng Wu , Jinoh Kim

Handling imbalance in class distribution when building a classifier over tabular data has been a problem of long-standing interest. One popular approach is augmenting the training dataset with synthetically generated data. While classical…

机器学习 · 计算机科学 2025-02-20 Annie D'souza , Swetha M , Sunita Sarawagi

In this paper we propose the use of Generative Adversarial Networks (GAN) to generate artificial training data for machine learning tasks. The generation of artificial training data can be extremely useful in situations such as imbalanced…

机器学习 · 计算机科学 2019-04-22 Fabio Henrique Kiyoiti dos Santos Tanaka , Claus Aranha

The present study aimed to address the issue of imbalanced data in classification tasks and evaluated the suitability of SMOTE, ADASYN, and GAN techniques in generating synthetic data to address the class imbalance and improve the…

机器学习 · 计算机科学 2023-06-27 Nagarjuna Chereddy , Bharath Kumar Bolla

Although deep learning has achieved impressive advances in transient stability assessment of power systems, the insufficient and imbalanced samples still trap the training effect of the data-driven methods. This paper proposes a…

机器学习 · 计算机科学 2021-12-17 Gengshi Han , Shunyu Liu , Kaixuan Chen , Na Yu , Zunlei Feng , Mingli Song

Deep learning approaches for sentiment classification do not fully exploit sentiment linguistic knowledge. In this paper, we propose a Multi-sentiment-resource Enhanced Attention Network (MEAN) to alleviate the problem by integrating three…

计算与语言 · 计算机科学 2018-07-16 Zeyang Lei , Yujiu Yang , Min Yang , Yi Liu

Imbalanced data commonly exists in real world, espacially in sentiment-related corpus, making it difficult to train a classifier to distinguish latent sentiment in text data. We observe that humans often express transitional emotion between…

计算与语言 · 计算机科学 2019-03-29 Tao Zhang , Xing Wu , Meng Lin , Jizhong Han , Songlin Hu

This study delves into the application of Generative Adversarial Networks (GANs) within the context of imbalanced datasets. Our primary aim is to enhance the performance and stability of GANs in such datasets. In pursuit of this objective,…

机器学习 · 计算机科学 2023-12-11 Ali Anaissi , Yuanzhe Jia , Ali Braytee , Mohamad Naji , Widad Alyassine

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

Deep neural networks have played an important role in automatic sleep stage classification because of their strong representation and in-model feature transformation abilities. However, class imbalance and individual heterogeneity which…

信号处理 · 电气工程与系统科学 2023-07-12 Xuewei Cheng , Ke Huang , Yi Zou , Shujie Ma

Class imbalance (CI) in classification problems arises when the number of observations belonging to one class is lower than the other. Ensemble learning combines multiple models to obtain a robust model and has been prominently used with…

机器学习 · 计算机科学 2023-11-28 Azal Ahmad Khan , Omkar Chaudhari , Rohitash Chandra

Without any specific way for imbalance data classification, artificial intelligence algorithm cannot recognize data from minority classes easily. In general, modifying the existing algorithm by assuming that the training data is imbalanced,…

机器学习 · 计算机科学 2018-07-16 Fanny , Tjeng Wawan Cenggoro

The emerging technique of deep learning has been widely applied in many different areas. However, when adopted in a certain specific domain, this technique should be combined with domain knowledge to improve efficiency and accuracy. In…

计算与语言 · 计算机科学 2019-02-19 Khuong Vo , Dang Pham , Mao Nguyen , Trung Mai , Tho Quan

Churn prediction in credit cards, fraud detection in insurance, and loan default prediction are important analytical customer relationship management (ACRM) problems. Since frauds, churns and defaults happen less frequently, the datasets…

机器学习 · 计算机科学 2022-02-11 Prateek Kate , Vadlamani Ravi , Akhilesh Gangwar

Most sign language handshape datasets are severely limited and unbalanced, posing significant challenges to effective model training. In this paper, we explore the effectiveness of augmenting the training data of a handshape classifier by…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Gaston Gustavo Rios , Pedro Dal Bianco , Franco Ronchetti , Facundo Quiroga , Oscar Stanchi , Santiago Ponte Ahón , Waldo Hasperué

Attacks on computer networks have increased significantly in recent days, due in part to the availability of sophisticated tools for launching such attacks as well as thriving underground cyber-crime economy to support it. Over the past…

机器学习 · 计算机科学 2022-04-04 Ayesha S. Dina , A. B. Siddique , D. Manivannan

In this paper, a deep learning framework is proposed for automatic facial emotion based on deep convolutional networks. In order to increase the generalization ability and the robustness of the method, the dataset size is increased by…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Serap Kırbız

Controlling the model to generate texts of different categories is a challenging task that is receiving increasing attention. Recently, generative adversarial networks (GANs) have shown promising results for category text generation.…

计算与语言 · 计算机科学 2022-03-25 Pengsen Cheng , Jinqiao Dai , Jiayong Liu

Cross-domain sentiment classification (CDSC) is an importance task in domain adaptation and sentiment classification. Due to the domain discrepancy, a sentiment classifier trained on source domain data may not works well on target domain…

机器学习 · 计算机科学 2019-03-28 Yuebing Zhang , Duoqian Miao , Jiaqi Wang

Speech Emotion Recognition (SER) is crucial for human-computer interaction but still remains a challenging problem because of two major obstacles: data scarcity and imbalance. Many datasets for SER are substantially imbalanced, where data…

声音 · 计算机科学 2022-08-11 Shijun Wang , Hamed Hemati , Jón Guðnason , Damian Borth