中文
相关论文

相关论文: Neural forecasting at scale

200 篇论文

Most iterative neural network training methods use estimates of the loss function over small random subsets (or minibatches) of the data to update the parameters, which aid in decoupling the training time from the (often very large) size of…

统计力学 · 物理学 2023-06-28 Jamie F. Mair , Luke Causer , Juan P. Garrahan

Ensemble weather predictions require statistical post-processing of systematic errors to obtain reliable and accurate probabilistic forecasts. Traditionally, this is accomplished with distributional regression models in which the parameters…

机器学习 · 统计学 2019-04-01 Stephan Rasp , Sebastian Lerch

Heterogeneity and irregularity of multi-source data sets present a significant challenge to time-series analysis. In the literature, the fusion of multi-source time-series has been achieved either by using ensemble learning models which…

机器学习 · 计算机科学 2021-10-07 Futoon M. Abushaqra , Hao Xue , Yongli Ren , Flora D. Salim

Ensembles of CNN models trained with different seeds (also known as Deep Ensembles) are known to achieve superior performance over a single copy of the CNN. Neural Ensemble Search (NES) can further boost performance by adding architectural…

机器学习 · 计算机科学 2021-07-12 Ashwin Raaghav Narayanan , Arber Zela , Tonmoy Saikia , Thomas Brox , Frank Hutter

Time series (TS) forecasting has been an unprecedentedly popular problem in recent years, with ubiquitous applications in both scientific and business fields. Various approaches have been introduced to time series analysis, including both…

机器学习 · 计算机科学 2024-05-20 Ziyou Guo , Yan Sun , Tieru Wu

Quantifying uncertainty in weather forecasts is critical, especially for predicting extreme weather events. This is typically accomplished with ensemble prediction systems, which consist of many perturbed numerical weather simulations, or…

机器学习 · 计算机科学 2021-03-17 Peter Grönquist , Chengyuan Yao , Tal Ben-Nun , Nikoli Dryden , Peter Dueben , Shigang Li , Torsten Hoefler

In the current context of Big Data, the nature of many forecasting problems has changed from predicting isolated time series to predicting many time series from similar sources. This has opened up the opportunity to develop competitive…

机器学习 · 计算机科学 2021-03-23 Hansika Hewamalage , Christoph Bergmeir , Kasun Bandara

Ensembles of deep neural networks significantly improve generalization accuracy. However, training neural network ensembles requires a large amount of computational resources and time. State-of-the-art approaches either train all networks…

机器学习 · 计算机科学 2020-03-10 Abdul Wasay , Brian Hentschel , Yuze Liao , Sanyuan Chen , Stratos Idreos

Time series forecasting is a fundamental task emerging from diverse data-driven applications. Many advanced autoregressive methods such as ARIMA were used to develop forecasting models. Recently, deep learning based methods such as DeepAr,…

Thomson scattering (TS) diagnostics provide reliable, minimally perturbative measurements of fundamental plasma parameters, such as electron density ($n_e$) and electron temperature ($T_e$). Deep neural networks can provide accurate…

Time series forecasting is a crucial task in machine learning, as it has a wide range of applications including but not limited to forecasting electricity consumption, traffic, and air quality. Traditional forecasting models rely on rolling…

机器学习 · 计算机科学 2021-10-22 Shereen Elsayed , Daniela Thyssens , Ahmed Rashed , Hadi Samer Jomaa , Lars Schmidt-Thieme

General-purpose foundation models for neural time series can help accelerate neuroscientific discoveries and enable applications such as brain computer interfaces (BCIs). A key component in scaling these models is population-level…

机器学习 · 计算机科学 2025-11-18 Eshani Patel , Yisong Yue , Geeling Chau

Recent research on time-series self-supervised models shows great promise in learning semantic representations. However, it has been limited to small-scale datasets, e.g., thousands of temporal sequences. In this work, we make key technical…

机器学习 · 计算机科学 2024-07-11 Chenguo Lin , Xumeng Wen , Wei Cao , Congrui Huang , Jiang Bian , Stephen Lin , Zhirong Wu

In this work we apply model averaging to parallel training of deep neural network (DNN). Parallelization is done in a model averaging manner. Data is partitioned and distributed to different nodes for local model updates, and model…

机器学习 · 计算机科学 2018-07-03 Hang Su , Haoyu Chen

Temporal Point Processes (TPPs) serve as the standard mathematical framework for modeling asynchronous event sequences in continuous time. However, classical TPP models are often constrained by strong assumptions, limiting their ability to…

机器学习 · 计算机科学 2023-07-11 Tanguy Bosser , Souhaib Ben Taieb

In this work, we propose an ensemble forecasting approach based on randomized neural networks. Improved randomized learning streamlines the fitting abilities of individual learners by generating network parameters in accordance with the…

机器学习 · 计算机科学 2021-07-12 Grzegorz Dudek , Paweł Pełka

Neural networks dominate the modern machine learning landscape, but their training and success still suffer from sensitivity to empirical choices of hyperparameters such as model architecture, loss function, and optimisation algorithm. In…

Optimal decision-making in social settings is often based on forecasts from time series (TS) data. Recently, several approaches using deep neural networks (DNNs) such as recurrent neural networks (RNNs) have been introduced for TS…

机器学习 · 计算机科学 2020-11-17 Philippe Chatigny , Jean-Marc Patenaude , Shengrui Wang

Annotating the right data for training deep neural networks is an important challenge. Active learning using uncertainty estimates from Bayesian Neural Networks (BNNs) could provide an effective solution to this. Despite being theoretically…

计算机视觉与模式识别 · 计算机科学 2019-02-22 Kashyap Chitta , Jose M. Alvarez , Adam Lesnikowski

Neural network potentials (NNPs) combine the computational efficiency of classical interatomic potentials with the high accuracy and flexibility of the ab initio methods used to create the training set, but can also result in unphysical…

材料科学 · 物理学 2022-01-24 Leonid Kahle , Federico Zipoli