2 papers
cs.SI2026
Multilayer Horizontal Visibility Graphs for Multivariate Time Series Analysis
Vanessa Freitas Silva, Maria Eduarda Silva, Pedro Ribeiro +1
Multivariate time series analysis is a vital but challenging task, with multidisciplinary applicability, tackling the characterization of multiple interconnected variables over tim…
cs.LG2025
Studying and Improving Graph Neural Network-based Motif Estimation
Pedro C. Vieira, Miguel E. P. Silva, Pedro Manuel Pinto Ribeiro
Graph Neural Networks (GNNs) are a predominant method for graph representation learning. However, beyond subgraph frequency estimation, their application to network motif significa…