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Supervised training of neural networks for classification is typically performed with a global loss function. The loss function provides a gradient for the output layer, and this gradient is back-propagated to hidden layers to dictate an…

机器学习 · 统计学 2019-05-09 Arild Nøkland , Lars Hiller Eidnes

Generalized Linear Models (GLMs) and Single Index Models (SIMs) provide powerful generalizations of linear regression, where the target variable is assumed to be a (possibly unknown) 1-dimensional function of a linear predictor. In general,…

人工智能 · 计算机科学 2011-04-14 Sham Kakade , Adam Tauman Kalai , Varun Kanade , Ohad Shamir

The last few years have seen an increasing wave of attacks with serious economic and privacy damages, which evinces the need for accurate Network Intrusion Detection Systems (NIDS). Recent works propose the use of Machine Learning (ML)…

密码学与安全 · 计算机科学 2021-08-02 David Pujol-Perich , José Suárez-Varela , Albert Cabellos-Aparicio , Pere Barlet-Ros

The generalized Gauss-Newton (GGN) optimization method incorporates curvature estimates into its solution steps, and provides a good approximation to the Newton method for large-scale optimization problems. GGN has been found particularly…

机器学习 · 计算机科学 2024-04-24 Adeyemi D. Adeoye , Philipp Christian Petersen , Alberto Bemporad

It is well-known that a deep neural network has a strong fitting capability and can easily achieve a low training error even with randomly assigned class labels. When the number of training samples is small, or the class labels are noisy,…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Avraham Chapman , Lingqiao Liu

Estimation in generalized linear models (GLM) is complicated by the presence of constraints. One can handle constraints by maximizing a penalized log-likelihood. Penalties such as the lasso are effective in high dimensions, but often lead…

机器学习 · 统计学 2017-11-07 Jason Xu , Eric C. Chi , Kenneth Lange

Graph neural networks (GNNs) have emerged as a powerful tool for tasks such as node classification and graph classification. However, much less work has been done on signal classification, where the data consists of many functions (referred…

Recently, physics-informed neural networks (PINNs) and their variants have gained significant popularity as a scientific computing method for solving partial differential equations (PDEs), whereas accuracy is still its main shortcoming.…

计算物理 · 物理学 2025-03-11 Feng Chen , Yiran Meng , Kegan Li , Chaoran Yang , Jiong Yang

Convolutional Neural Networks (CNN) are very popular in many fields including computer vision, speech recognition, natural language processing, to name a few. Though deep learning leads to groundbreaking performance in these domains, the…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Chaim Baskin , Natan Liss , Yoav Chai , Evgenii Zheltonozhskii , Eli Schwartz , Raja Giryes , Avi Mendelson , Alexander M. Bronstein

In federated learning (FL), a number of devices train their local models and upload the corresponding parameters or gradients to the base station (BS) to update the global model while protecting their data privacy. However, due to the…

机器学习 · 计算机科学 2022-05-04 Zhigang Yan , Dong Li , Zhichao Zhang , Jiguang He

Traditional Graph Neural Network (GNN), as a graph representation learning method, is constrained by label information. However, Graph Contrastive Learning (GCL) methods, which tackle the label problem effectively, mainly focus on the…

机器学习 · 计算机科学 2023-08-08 Kai Yang , Yuan Liu , Zijuan Zhao , Peijin Ding , Wenqian Zhao

Many internet applications are powered by machine learned models, which are usually trained on labeled datasets obtained through either implicit / explicit user feedback signals or human judgments. Since societal biases may be present in…

机器学习 · 计算机科学 2020-08-18 Sriram Vasudevan , Krishnaram Kenthapadi

The popularity of deep learning techniques renewed the interest in neural architectures able to process complex structures that can be represented using graphs, inspired by Graph Neural Networks (GNNs). We focus our attention on the…

机器学习 · 计算机科学 2021-09-02 Matteo Tiezzi , Giuseppe Marra , Stefano Melacci , Marco Maggini

Locally supervised learning aims to train a neural network based on a local estimation of the global loss function at each decoupled module of the network. Auxiliary networks are typically appended to the modules to approximate the gradient…

机器学习 · 计算机科学 2022-08-02 Hasnain Irshad Bhatti , Jaekyun Moon

In this paper, we introduce a novel approach to neural learning: the Feature-Imitating-Network (FIN). A FIN is a neural network with weights that are initialized to reliably approximate one or more closed-form statistical features, such as…

机器学习 · 计算机科学 2021-10-26 Sari Saba-Sadiya , Tuka Alhanai , Mohammad M Ghassemi

The theory-guided neural network (TgNN) is a kind of method which improves the effectiveness and efficiency of neural network architectures by incorporating scientific knowledge or physical information. Despite its great success, the…

机器学习 · 计算机科学 2022-06-14 Miao Rong , Dongxiao Zhang , Nanzhe Wang

Understanding the implicit regularization imposed by neural network architectures and gradient based optimization methods is a key challenge in deep learning and AI. In this work we provide sharp results for the implicit regularization…

机器学习 · 计算机科学 2023-07-17 Johan S. Wind , Vegard Antun , Anders C. Hansen

High-dimensional latent representations learned by neural network classifiers are notoriously hard to interpret. Especially in medical applications, model developers and domain experts desire a better understanding of how these latent…

机器学习 · 计算机科学 2021-09-08 Andreas Hinterreiter , Marc Streit , Bernhard Kainz

Neural networks have been used prominently in several machine learning and statistics applications. In general, the underlying optimization of neural networks is non-convex which makes their performance analysis challenging. In this paper,…

机器学习 · 统计学 2017-10-09 Soheil Feizi , Hamid Javadi , Jesse Zhang , David Tse

Practitioners apply neural networks to increasingly complex problems in natural language processing, such as syntactic parsing and semantic role labeling that have rich output structures. Many such structured-prediction problems require…

计算与语言 · 计算机科学 2019-04-23 Jay Yoon Lee , Sanket Vaibhav Mehta , Michael Wick , Jean-Baptiste Tristan , Jaime Carbonell