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Graph convolutional networks produce good predictions of unlabeled samples due to its transductive label propagation. Since samples have different predicted confidences, we take high-confidence predictions as pseudo labels to expand the…

机器学习 · 计算机科学 2020-09-07 Kun Zhan , Chaoxi Niu

Semi-supervised learning and continuous learning are fundamental paradigms for human-level intelligence. To deal with real-world problems where labels are rarely given and the opportunity to access the same data is limited, it is necessary…

计算机视觉与模式识别 · 计算机科学 2020-05-06 Taehyeong Kim , Injune Hwang , Gi-Cheon Kang , Won-Seok Choi , Hyunseo Kim , Byoung-Tak Zhang

Data-driven approaches achieve remarkable results for the modeling of complex dynamics based on collected data. However, these models often neglect basic physical principles which determine the behavior of any real-world system. This…

系统与控制 · 电气工程与系统科学 2023-05-17 Thomas Beckers , Jacob Seidman , Paris Perdikaris , George J. Pappas

Few-shot learning (FSL) aims to develop a learning model with the ability to generalize to new classes using a few support samples. For transductive FSL tasks, prototype learning and label propagation methods are commonly employed.…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Jiahui Wang , Qin Xu , Bo Jiang , Bin Luo

Graph Neural Networks (GNNs) have achieved state-of-the-art results for semi-supervised node classification on graphs. Nevertheless, the challenge of how to effectively learn GNNs with very few labels is still under-explored. As one of the…

机器学习 · 计算机科学 2022-01-21 Yayong Li , Jie Yin , Ling Chen

The widespread use of neural networks across different scientific domains often involves constraining them to satisfy certain symmetries, conservation laws, or other domain knowledge. Such constraints are often imposed as soft penalties…

机器学习 · 计算机科学 2020-01-15 Sifan Wang , Yujun Teng , Paris Perdikaris

Safety-critical technical systems operating in unknown environments require the ability to quickly adapt their behavior, which can be achieved in control by inferring a model online from the data stream generated during operation. Gaussian…

系统与控制 · 电气工程与系统科学 2022-02-24 Armin Lederer , Mingmin Zhang , Samuel Tesfazgi , Sandra Hirche

The remarkable success of today's deep neural networks highly depends on a massive number of correctly labeled data. However, it is rather costly to obtain high-quality human-labeled data, leading to the active research area of training…

机器学习 · 计算机科学 2020-11-04 Jiacheng Wang , Yue Ma , Shuang Gao

We consider a family of problems that are concerned about making predictions for the majority of unlabeled, graph-structured data samples based on a small proportion of labeled samples. Relational information among the data samples, often…

机器学习 · 计算机科学 2019-11-05 Jiaqi Ma , Weijing Tang , Ji Zhu , Qiaozhu Mei

Combining physics with machine learning models has advanced the performance of machine learning models in many different applications. In this paper, we evaluate adding a weak physics constraint, i.e., a physics-based empirical…

地球物理 · 物理学 2024-03-11 Qingkai Kong , William R. Walter , Ruijia Wang , Brandon Schmandt

Semi supervised learning methods have gained importance in today's world because of large expenses and time involved in labeling the unlabeled data by human experts. The proposed hybrid approach uses SVM and Label Propagation to label the…

机器学习 · 计算机科学 2015-12-08 Aruna Govada , Pravin Joshi , Sahil Mittal , Sanjay K Sahay

Since federated learning (FL) has been introduced as a decentralized learning technique with privacy preservation, statistical heterogeneity of distributed data stays the main obstacle to achieve robust performance and stable convergence in…

机器学习 · 计算机科学 2022-12-08 Yanhang Shi , Siguang Chen , Haijun Zhang

Semi-supervised learning is a powerful technique for leveraging unlabeled data to improve machine learning models, but it can be affected by the presence of ``informative'' labels, which occur when some classes are more likely to be labeled…

We study the robustness to symmetric label noise of GNNs training procedures. By combining the nonlinear neural message-passing models (e.g. Graph Isomorphism Networks, GraphSAGE, etc.) with loss correction methods, we present a…

机器学习 · 计算机科学 2019-05-07 Hoang NT , Choong Jun Jin , Tsuyoshi Murata

Self-training is a useful strategy for semi-supervised learning, leveraging raw texts for enhancing model performances. Traditional self-training methods depend on heuristics such as model confidence for instance selection, the manual…

计算与语言 · 计算机科学 2018-04-17 Chenhua Chen , Yue Zhang

We propose a novel GAN training scheme that can handle any level of labeling in a unified manner. Our scheme introduces a form of artificial labeling that can incorporate manually defined labels, when available, and induce an alignment…

机器学习 · 计算机科学 2021-06-21 Tomoki Watanabe , Paolo Favaro

In this paper, learning of tree-structured Gaussian graphical models from distributed data is addressed. In our model, samples are stored in a set of distributed machines where each machine has access to only a subset of features. A central…

机器学习 · 计算机科学 2018-12-05 Mostafa Tavassolipour , Seyed Abolfazl Motahari , Mohammad-Taghi Manzuri Shalmani

Few-shot node classification poses a significant challenge for Graph Neural Networks (GNNs) due to insufficient supervision and potential distribution shifts between labeled and unlabeled nodes. Self-training has emerged as a widely popular…

机器学习 · 计算机科学 2024-01-22 Fali Wang , Tianxiang Zhao , Suhang Wang

In this paper, we present a simple and efficient method for training deep neural networks in a semi-supervised setting where only a small portion of training data is labeled. We introduce self-ensembling, where we form a consensus…

神经与进化计算 · 计算机科学 2017-03-16 Samuli Laine , Timo Aila

Data privacy has become an increasingly important concern in real-world big data applications such as machine learning. To address the problem, federated learning (FL) has been a promising solution to building effective machine learning…

机器学习 · 计算机科学 2023-03-28 Yilun Jin , Yang Liu , Kai Chen , Qiang Yang