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Recent contrastive methods show significant improvement in self-supervised learning in several domains. In particular, contrastive methods are most effective where data augmentation can be easily constructed e.g. in computer vision.…

机器学习 · 计算机科学 2021-12-09 Konstantinos Kallidromitis , Denis Gudovskiy , Kazuki Kozuka , Iku Ohama , Luca Rigazio

Synthetic time series are often used in practical applications to augment the historical time series dataset for better performance of machine learning algorithms, amplify the occurrence of rare events, and also create counterfactual…

机器学习 · 计算机科学 2023-09-18 Andrea Coletta , Sriram Gopalakrishan , Daniel Borrajo , Svitlana Vyetrenko

Neural networks are increasingly used as fast surrogate models across various domains, but unconstrained predictions can violate physical, operational, or safety requirements. We propose SnareNet, a feasibility-controlled architecture to…

机器学习 · 计算机科学 2026-05-12 Ya-Chi Chu , Alkiviades Boukas , Madeleine Udell

Recurrent neural networks (RNNs) are capable of learning features and long term dependencies from sequential and time-series data. The RNNs have a stack of non-linear units where at least one connection between units forms a directed cycle.…

神经与进化计算 · 计算机科学 2018-02-26 Hojjat Salehinejad , Sharan Sankar , Joseph Barfett , Errol Colak , Shahrokh Valaee

In this work, we tackle two widespread challenges in real applications for time-series forecasting that have been largely understudied: distribution shifts and missing data. We propose SpectraNet, a novel multivariate time-series…

机器学习 · 计算机科学 2022-10-26 Cristian Challu , Peihong Jiang , Ying Nian Wu , Laurent Callot

We present a method for conditional time series forecasting based on an adaptation of the recent deep convolutional WaveNet architecture. The proposed network contains stacks of dilated convolutions that allow it to access a broad range of…

机器学习 · 统计学 2018-09-18 Anastasia Borovykh , Sander Bohte , Cornelis W. Oosterlee

We discuss a new neural network-based direction of arrival estimation scheme that tackles the estimation task as a multidimensional classification problem. The proposed estimator uses a classification chain with as many stages as the number…

信号处理 · 电气工程与系统科学 2022-03-25 Andreas Barthelme , Wolfgang Utschick

The task of multi-channel time series forecasting is ubiquitous in numerous fields such as finance, supply chain management, and energy planning. It is critical to effectively capture complex dynamic dependencies within and between channels…

人工智能 · 计算机科学 2026-03-20 Lei Gao , Hengda Bao , Jingfei Fang , Guangzheng Wu , Weihua Zhou , Yun Zhou

Multivariate time series forecasting poses an ongoing challenge across various disciplines. Time series data often exhibit diverse intra-series and inter-series correlations, contributing to intricate and interwoven dependencies that have…

机器学习 · 计算机科学 2024-01-02 Wanlin Cai , Yuxuan Liang , Xianggen Liu , Jianshuai Feng , Yuankai Wu

Neural networks are widely used in machine learning and data mining. Typically, these networks need to be trained, implying the adjustment of weights (parameters) within the network based on the input data. In this work, we propose a novel…

机器学习 · 计算机科学 2024-08-20 Xiaosheng Li , Wenjie Xi , Jessica Lin

Knowledge graph reasoning is a critical task in natural language processing. The task becomes more challenging on temporal knowledge graphs, where each fact is associated with a timestamp. Most existing methods focus on reasoning at past…

机器学习 · 计算机科学 2020-10-08 Woojeong Jin , Meng Qu , Xisen Jin , Xiang Ren

Deep neural networks have long training and processing times. Early exits added to neural networks allow the network to make early predictions using intermediate activations in the network in time-sensitive applications. However, early…

机器学习 · 计算机科学 2022-12-27 Devdhar Patel , Hava Siegelmann

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

Spatial time series forecasting problems arise in a broad range of applications, such as environmental and transportation problems. These problems are challenging because of the existence of specific spatial, short-term and long-term…

机器学习 · 计算机科学 2019-02-05 Reza Asadi , Amelia Regan

Recurrent neural networks have achieved great success in many NLP tasks. However, they have difficulty in parallelization because of the recurrent structure, so it takes much time to train RNNs. In this paper, we introduce sliced recurrent…

计算与语言 · 计算机科学 2018-07-09 Zeping Yu , Gongshen Liu

We present AutoTraces, an autoregressive vision-language-trajectory model for robot trajectory forecasting in humam-populated environments, which harnesses the inherent reasoning capabilities of large language models (LLMs) to model complex…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Teng Wang , Yanting Lu , Ruize Wang

We present two approaches that use unlabeled data to improve sequence learning with recurrent networks. The first approach is to predict what comes next in a sequence, which is a conventional language model in natural language processing.…

机器学习 · 计算机科学 2015-11-05 Andrew M. Dai , Quoc V. Le

In this paper, we present SSDNet, a novel deep learning approach for time series forecasting. SSDNet combines the Transformer architecture with state space models to provide probabilistic and interpretable forecasts, including trend and…

机器学习 · 计算机科学 2021-12-21 Yang Lin , Irena Koprinska , Mashud Rana

Autoregressive models are a class of generative model that probabilistically predict the next output of a sequence based on previous inputs. The autoregressive sequence is by definition one-dimensional (1D), which is natural for language…

机器学习 · 计算机科学 2024-08-29 Yi Hong Teoh , Roger G. Melko

RNN-based methods have faced challenges in the Long-term Time Series Forecasting (LTSF) domain when dealing with excessively long look-back windows and forecast horizons. Consequently, the dominance in this domain has shifted towards…

机器学习 · 计算机科学 2023-08-23 Shengsheng Lin , Weiwei Lin , Wentai Wu , Feiyu Zhao , Ruichao Mo , Haotong Zhang