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Multivariate time series forecasting with hierarchical structure is widely used in real-world applications, e.g., sales predictions for the geographical hierarchy formed by cities, states, and countries. The hierarchical time series (HTS)…

机器学习 · 计算机科学 2023-10-10 Fan Zhou , Chen Pan , Lintao Ma , Yu Liu , Shiyu Wang , James Zhang , Xinxin Zhu , Xuanwei Hu , Yunhua Hu , Yangfei Zheng , Lei Lei , Yun Hu

The size and the computational load of fine-tuning large-scale pre-trained neural network are becoming two major obstacles in adopting machine learning in many applications. Continual learning (CL) can serve as a remedy through enabling…

机器学习 · 计算机科学 2023-03-28 Yuliang Cai , Jesse Thomason , Mohammad Rostami

Streamflow, as a natural phenomenon, is continuous in time and so are the meteorological variables which influence its variability. In practice, it can be of interest to forecast the whole flow curve instead of points (daily or hourly). To…

应用统计 · 统计学 2016-10-20 Pierre Masselot , Sophie Dabo-Niang , Fateh Chebana , Taha B. M. J. Ouarda

Continual learning has traditionally focused on classifying either instances or classes, but real-world applications, such as robotics and self-driving cars, require models to handle both simultaneously. To mirror real-life scenarios, we…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Melika Ayoughi , Mina Ghadimi Atigh , Mohammad Mahdi Derakhshani , Cees G. M. Snoek , Pascal Mettes , Paul Groth

Extreme streamflow is a key indicator of flood risk, and quantifying the changes in its distribution under non-stationary climate conditions is key to mitigating the impact of flooding events. We propose a non-stationary process mixture…

统计方法学 · 统计学 2024-05-08 Reetam Majumder , Brian Reich

Despite the recent progress in deep learning, most approaches still go for a silo-like solution, focusing on learning each task in isolation: training a separate neural network for each individual task. Many real-world problems, however,…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Simon Vandenhende

Accurate streamflow prediction largely relies on historical meteorological records and streamflow measurements. For many regions, however, such data are only scarcely available. Facing this problem, many studies simply trained their machine…

机器学习 · 计算机科学 2020-11-23 Martin Gauch , Juliane Mai , Jimmy Lin

Deep learning models have achieved remarkable progress in precipitation prediction. However, they still face significant challenges in accurately capturing spatial details of radar images, particularly in regions of high precipitation…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Li Chaorong , Ling Xudong , Yang Qiang , Qin Fengqing , Huang Yuanyuan

Efficient decision-making over continuously changing data is essential for many application domains such as cyber-physical systems, industry digitalization, etc. Modern stream reasoning frameworks allow one to model and solve various…

人工智能 · 计算机科学 2020-08-10 Carmine Dodaro , Thomas Eiter , Paul Ogris , Konstantin Schekotihin

Cloud computing has attracted both end-users and Cloud Service Providers (CSPs) in recent years. Improving resource utilization rate (RUtR), such as CPU and memory usages on servers, while maintaining Quality-of-Service (QoS) is one key…

分布式、并行与集群计算 · 计算机科学 2020-02-13 Mingxi Cheng , Ji Li , Paul Bogdan , Shahin Nazarian

Power system time series analytics is critical in understanding the system operation conditions and predicting the future trends. Despite the wide adoption of Artificial Intelligence (AI) tools, many AI-based time series analytical models…

信号处理 · 电气工程与系统科学 2025-11-12 Zhenghao Zhou , Yiyan Li , Xinjie Yu , Runlong Liu , Zelin Guo , Zheng Yan , Mo-Yuen Chow , Yuqi Yang , Yang Xu

Inductive representation learning on temporal heterogeneous graphs is crucial for scalable deep learning on heterogeneous information networks (HINs) which are time-varying, such as citation networks. However, most existing approaches are…

机器学习 · 计算机科学 2024-05-15 Chenglin Li , Yuanzhen Xie , Chenyun Yu , Lei Cheng , Bo Hu , Zang Li , Di Niu

People are increasingly relying on the Web and social media to find solutions to their problems in a wide range of domains. In this online setting, closely related problems often lead to the same characteristic learning pattern, in which…

机器学习 · 统计学 2016-10-20 Charalampos Mavroforakis , Isabel Valera , Manuel Gomez Rodriguez

Multi-task learning (MTL) is an active field in deep learning in which we train a model to jointly learn multiple tasks by exploiting relationships between the tasks. It has been shown that MTL helps the model share the learned features…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Akihiro Nakano , Shi Chen , Kazuyuki Demachi

By leveraging large amounts of product data collected across hundreds of live e-commerce websites, we construct 1000 unique classification tasks that share similarly-structured input data, comprised of both text and images. These…

人工智能 · 计算机科学 2021-07-29 Cameron R. Wolfe , Keld T. Lundgaard

Model selection has been proven an effective strategy for improving accuracy in time series forecasting applications. However, when dealing with hierarchical time series, apart from selecting the most appropriate forecasting model,…

机器学习 · 计算机科学 2020-10-30 Mahdi Abolghasemi , Rob J Hyndman , Evangelos Spiliotis , Christoph Bergmeir

Deep learning for Earth imagery plays an increasingly important role in geoscience applications such as agriculture, ecology, and natural disaster management. Still, progress is often hindered by the limited training labels. Given Earth…

人工智能 · 计算机科学 2023-12-14 Zelin Xu , Tingsong Xiao , Wenchong He , Yu Wang , Zhe Jiang

As compared to typical mobile manipulation tasks, sequential mobile manipulation poses a unique challenge -- as the robot operates over extended periods, successful task completion is not solely dependent on consistent motion generation but…

机器人学 · 计算机科学 2026-03-12 Xintong Du , Jingxing Qian , Siqi Zhou , Angela P. Schoellig

We introduce Hierarchical Transformers for Meta-Reinforcement Learning (HTrMRL), a powerful online meta-reinforcement learning approach. HTrMRL aims to address the challenge of enabling reinforcement learning agents to perform effectively…

机器学习 · 计算机科学 2024-02-12 Gresa Shala , André Biedenkapp , Josif Grabocka

Learning new tasks continuously without forgetting on a constantly changing data distribution is essential for real-world problems but extremely challenging for modern deep learning. In this work we propose HCL, a Hybrid…