Multivariate time-series forecasting with temporal polynomial graph neural networks

Y Liu, Q Liu, JW Zhang, H Feng… - Advances in neural …, 2022 - proceedings.neurips.cc
Modeling multivariate time series (MTS) is critical in modern intelligent systems. The
accurate forecast of MTS data is still challenging due to the complicated latent variable …

Simplicial vector autoregressive model for streaming edge flows

J Krishnan, R Money… - ICASSP 2023-2023 …, 2023 - ieeexplore.ieee.org
Vector autoregressive (VAR) model is widely used to model time-varying processes, but it
suffers from prohibitive growth of the parameters when the number of time series exceeds a …

[HTML][HTML] Explainable spatio-temporal graph evolution learning with applications to dynamic brain network analysis during development

L Chen, C Qiao, K Ren, G Qu, VD Calhoun… - NeuroImage, 2024 - Elsevier
Modeling dynamic interactions among network components is crucial to uncovering the
evolution mechanisms of complex networks. Recently, spatio-temporal graph learning …

Signal processing over time-varying graphs: A systematic review

Y Yan, J Hou, Z Song, EE Kuruoglu - arxiv preprint arxiv:2412.00462, 2024 - arxiv.org
As irregularly structured data representations, graphs have received a large amount of
attention in recent years and have been widely applied to various real-world scenarios such …

Online edge flow imputation on networks

R Money, J Krishnan… - IEEE Signal …, 2022 - ieeexplore.ieee.org
An online algorithm for missing data imputation for networks with signals defined on the
edges is presented. Leveraging the prior knowledge intrinsic to real-world networks, we …

A graph-assisted framework for multiple graph learning

X Zhang, Q Wang - … on Signal and Information Processing over …, 2024 - ieeexplore.ieee.org
In this paper, we endeavor to jointly learn multiple distinct but related graphs by exploiting
the underlying topological relationships between them. The difficulty lies in how to design a …

Graph learning from incomplete graph signals: From batch to online methods

X Zhang, Q Wang - Signal Processing, 2025 - Elsevier
Inferring graph topologies from data is crucial in many graph-related applications. Existing
works typically assume that signals are observed at all nodes, which may not hold due to …

Sparse Covariance Neural Networks

A Cavallo, Z Gao, E Isufi - arxiv preprint arxiv:2410.01669, 2024 - arxiv.org
Covariance Neural Networks (VNNs) perform graph convolutions on the covariance matrix
of tabular data and achieve success in a variety of applications. However, the empirical …

A linearly convergent optimization framework for learning graphs from smooth signals

X Wang, C Yao, AMC So - IEEE Transactions on Signal and …, 2023 - ieeexplore.ieee.org
Learning graph structures from a collection of smooth graph signals is a fundamental
problem in data analysis and has attracted much interest in recent years. Although various …

Structural knowledge informed continual multivariate time series forecasting

Z Pan, Y Jiang, D Song, S Garg, K Rasul… - arxiv preprint arxiv …, 2024 - arxiv.org
Recent studies in multivariate time series (MTS) forecasting reveal that explicitly modeling
the hidden dependencies among different time series can yield promising forecasting …