Toward digital twin oriented modeling of complex networked systems and their dynamics: A comprehensive survey
This paper aims to provide a comprehensive critical overview on how entities and their
interactions in Complex Networked Systems (CNS) are modelled across disciplines as they …
interactions in Complex Networked Systems (CNS) are modelled across disciplines as they …
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 …
the underlying topological relationships between them. The difficulty lies in how to design a …
Network topology inference with sparsity and Laplacian constraints
We tackle the network topology inference problem by utilizing Laplacian constrained
Gaussian graphical models, which recast the task as estimating a precision matrix in the …
Gaussian graphical models, which recast the task as estimating a precision matrix in the …
Multiview Graph Learning with Consensus Graph
Graph topology inference is a significant task in many application domains. Existing
approaches are mostly limited to learning a single graph assuming that the observed data is …
approaches are mostly limited to learning a single graph assuming that the observed data is …
Heterogeneous Dual-Dynamic Attention Network for Modeling Mutual Interplay of Stocks
Modern quantitative finance and portfolio-based investment hinge on the dependence
structure among financial instruments (like stocks) for return prediction, risk management …
structure among financial instruments (like stocks) for return prediction, risk management …
GRACGE: Graph signal clustering and multiple graph estimation
In graph signal processing (GSP), complex datasets arise from several underlying graphs
and in the presence of heterogeneity. Graph learning from heterogeneous graph signals …
and in the presence of heterogeneity. Graph learning from heterogeneous graph signals …
Graph Topology Learning Under Privacy Constraints
X Zhang - arxiv preprint arxiv:2301.06662, 2023 - arxiv.org
We consider the problem of inferring the underlying graph topology from smooth graph
signals in a novel but practical scenario where data are located in distributed clients and are …
signals in a novel but practical scenario where data are located in distributed clients and are …
Online joint topology identification and signal estimation from streams with missing data
Identifying the topology underlying a set of time series is useful for tasks such as prediction,
denoising, and data completion. Vector autoregressive (VAR) model-based topologies …
denoising, and data completion. Vector autoregressive (VAR) model-based topologies …