A fractional graph laplacian approach to oversmoothing

S Maskey, R Paolino, A Bacho… - Advances in Neural …, 2024 - proceedings.neurips.cc
Graph neural networks (GNNs) have shown state-of-the-art performances in various
applications. However, GNNs often struggle to capture long-range dependencies in graphs …

Magnet: A neural network for directed graphs

X Zhang, Y He, N Brugnone… - Advances in neural …, 2021 - proceedings.neurips.cc
The prevalence of graph-based data has spurred the rapid development of graph neural
networks (GNNs) and related machine learning algorithms. Yet, despite the many datasets …

Directed graph contrastive learning

Z Tong, Y Liang, H Ding, Y Dai… - Advances in neural …, 2021 - proceedings.neurips.cc
Abstract Graph Contrastive Learning (GCL) has emerged to learn generalizable
representations from contrastive views. However, it is still in its infancy with two concerns: 1) …

Edge directionality improves learning on heterophilic graphs

E Rossi, B Charpentier, F Di Giovanni… - Learning on Graphs …, 2024 - proceedings.mlr.press
Abstract Graph Neural Networks (GNNs) have become the de-facto standard tool for
modeling relational data. However, while many real-world graphs are directed, the majority …

Gnnrank: Learning global rankings from pairwise comparisons via directed graph neural networks

Y He, Q Gan, D Wipf, GD Reinert… - international …, 2022 - proceedings.mlr.press
Recovering global rankings from pairwise comparisons has wide applications from time
synchronization to sports team ranking. Pairwise comparisons corresponding to matches in …

Msgnn: A spectral graph neural network based on a novel magnetic signed laplacian

Y He, M Perlmutter, G Reinert… - Learning on Graphs …, 2022 - proceedings.mlr.press
Signed and directed networks are ubiquitous in real-world applications. However, there has
been relatively little work proposing spectral graph neural networks (GNNs) for such …

Pytorch geometric signed directed: A software package on graph neural networks for signed and directed graphs

Y He, X Zhang, J Huang… - Learning on Graphs …, 2024 - proceedings.mlr.press
Networks are ubiquitous in many real-world applications (eg, social networks encoding
trust/distrust relationships, correlation networks arising from time series data). While many …

Disentangling degree-related biases and interest for out-of-distribution generalized directed network embedding

H Yoo, YC Lee, K Shin, SW Kim - … of the ACM Web Conference 2023, 2023 - dl.acm.org
The goal of directed network embedding is to represent the nodes in a given directed
network as embeddings that preserve the asymmetric relationships between nodes. While a …

Sigmanet: One laplacian to rule them all

S Fiorini, S Coniglio, M Ciavotta… - Proceedings of the AAAI …, 2023 - ojs.aaai.org
This paper introduces SigMaNet, a generalized Graph Convolutional Network (GCN)
capable of handling both undirected and directed graphs with weights not restricted in sign …

WGCN: graph convolutional networks with weighted structural features

Y Zhao, J Qi, Q Liu, R Zhang - Proceedings of the 44th International ACM …, 2021 - dl.acm.org
Graph structural information such as topologies or connectivities provides valuable
guidance for graph convolutional networks (GCNs) to learn nodes' representations. Existing …