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Graph convolutional networks have made great progress in graph-based semi-supervised learning. Existing methods mainly assume that nodes connected by graph edges are prone to have similar attributes and labels, so that the features smoothed…

机器学习 · 计算机科学 2022-06-13 Yating Ren , Junzhong Ji , Lingfeng Niu , Minglong Lei

Continual graph learning (CGL) is purposed to continuously update a graph model with graph data being fed in a streaming manner. Since the model easily forgets previously learned knowledge when training with new-coming data, the…

机器学习 · 计算机科学 2023-09-20 Yilun Liu , Ruihong Qiu , Zi Huang

Continual learning has emerged as a crucial paradigm for learning from sequential data while preserving previous knowledge. In the realm of continual graph learning, where graphs continuously evolve based on streaming graph data, continual…

机器学习 · 计算机科学 2024-08-20 Jianhao Guo , Zixuan Ni , Yun Zhu , Siliang Tang

Recent advances in data-generating techniques led to an explosive growth of geo-spatiotemporal data. In domains such as hydrology, ecology, and transportation, interpreting the complex underlying patterns of spatiotemporal interactions with…

机器学习 · 计算机科学 2023-01-30 Aishwarya Sarkar , Chaoqun Lu , Ali Jannesari

Self-supervised learning has been widely used to obtain transferrable representations from unlabeled images. Especially, recent contrastive learning methods have shown impressive performances on downstream image classification tasks. While…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Byungseok Roh , Wuhyun Shin , Ildoo Kim , Sungwoong Kim

Time-evolving traffic flow forecasting are playing a vital role in intelligent transportation systems and smart cities. However, the dynamic traffic flow forecasting is a highly nonlinear problem with complex temporal-spatial dependencies.…

机器学习 · 计算机科学 2025-08-05 Zhenan Lin , Yuni Lai , Wai Lun Lo , Richard Tai-Chiu Hsung , Harris Sik-Ho Tsang , Xiaoyu Xue , Kai Zhou , Yulin Zhu

Molecular dynamics (MD) simulation is essential for various scientific domains but computationally expensive. Learning-based force fields have made significant progress in accelerating ab-initio MD simulation but are not fast enough for…

机器学习 · 计算机科学 2023-08-29 Xiang Fu , Tian Xie , Nathan J. Rebello , Bradley D. Olsen , Tommi Jaakkola

Self-supervised learning of graph neural networks (GNNs) aims to learn an accurate representation of the graphs in an unsupervised manner, to obtain transferable representations of them for diverse downstream tasks. Predictive learning and…

机器学习 · 计算机科学 2022-10-11 Dongki Kim , Jinheon Baek , Sung Ju Hwang

We investigate the problem of minimizing the expectation of smooth nonconvex functions in a distributed setting with multiple parallel workers that are able to compute stochastic gradients. A significant challenge in this context is the…

最优化与控制 · 数学 2025-06-16 Artavazd Maranjyan , Omar Shaikh Omar , Peter Richtárik

Multiscale problems can usually be approximated through numerical homogenization by an equation with some effective parameters that can capture the macroscopic behavior of the original system on the coarse grid to speed up the simulation.…

数值分析 · 数学 2024-06-21 Fan Wang , Yating Wang , Wing Tat Leung , Zongben Xu

Existing underwater SLAM systems are difficult to work effectively in texture-sparse and geometrically degraded underwater environments, resulting in intermittent tracking and sparse mapping. Therefore, we present Water-DSLAM, a novel…

机器人学 · 计算机科学 2025-05-01 Yaming Ou , Junfeng Fan , Chao Zhou , Pengju Zhang , Zongyuan Shen , Yichen Fu , Xiaoyan Liu , Zengguang Hou

We propose a new approach for the modeling large datasets of nonstationary spatial processes that combines a latent low rank process and a sparse covariance model. The low rank component coefficients are endowed with a flexible graphical…

统计方法学 · 统计学 2025-10-08 Matthew LeDuc , William Kleiber , Tomoko Matsuo

Learning the fine-scale details of a coastal ocean simulation from a coarse representation is a challenging task. For real-world applications, high-resolution simulations are necessary to advance understanding of many coastal processes,…

图像与视频处理 · 电气工程与系统科学 2026-02-09 Zhi-Song Liu , Markus Büttner , Matthew Scarborough , Eirik Valseth , Vadym Aizinger , Bernhard Kainz , Andreas Rupp

Continual Learning (CL) aims to incrementally acquire new knowledge while mitigating catastrophic forgetting. Within this setting, Online Continual Learning (OCL) focuses on updating models promptly and incrementally from single or small…

机器学习 · 计算机科学 2025-12-19 Giovanni Donghi , Luca Pasa , Daniele Zambon , Cesare Alippi , Nicolò Navarin

Recent semi-dense image matching methods have achieved remarkable success, but two long-standing issues still impair their performance. At the coarse stage, the over-exclusion issue of their mutual nearest neighbor (MNN) matching layer…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Ke Jin , Jiming Chen , Qi Ye

High-resolution rainfall observations are crucial for weather forecasting, water management, and hazard mitigation. Traditional operational measurements are often biased and low-resolution, limiting their ability to capture local rainfall.…

机器学习 · 计算机科学 2026-05-08 Rafael Pablos Sarabia , Joachim Nyborg , Morten Birk , Ira Assent

Aerosol effects on climate, weather, and air quality depend on characteristics of individual particles, which are tremendously diverse and change in time. Particle-resolved models are the only models able to capture this diversity in…

The automated interpretation and inversion of seismic data have advanced significantly with the development of Deep Learning (DL) methods. However, these methods often require numerous costly well logs, limiting their application only to…

地球物理 · 物理学 2024-10-28 Yimin Dou , Kewen Li , Wenjun Lv , Timing Li , Hongjie Duan , Zhifeng Xu

Anomaly detection in high-dimensional time series data is pivotal for numerous industrial applications. Recent advances in multivariate time series anomaly detection (TSAD) have increasingly leveraged graph structures to model…

机器学习 · 计算机科学 2025-09-23 Jiazhen Chen , Mingbin Feng , Tony S. Wirjanto

Classically, ML models trained with stochastic gradient descent (SGD) are designed to minimize the average loss per example and use a distribution of training examples that remains {\em static} in the course of training. Research in recent…

机器学习 · 计算机科学 2020-06-02 Eliav Buchnik , Edith Cohen