Topological relational learning on graphs

Y Chen, B Coskunuzer, Y Gel - Advances in neural …, 2021 - proceedings.neurips.cc
Graph neural networks (GNNs) have emerged as a powerful tool for graph classification and
representation learning. However, GNNs tend to suffer from over-smoothing problems and …

A literature survey of matrix methods for data science

M Stoll - GAMM‐Mitteilungen, 2020 - Wiley Online Library
Efficient numerical linear algebra is a core ingredient in many applications across almost all
scientific and industrial disciplines. With this survey we want to illustrate that numerical linear …

Power up! robust graph convolutional network via graph powering

M Jin, H Chang, W Zhu, S Sojoudi - … of the AAAI Conference on Artificial …, 2021 - ojs.aaai.org
Graph convolutional networks (GCNs) are powerful tools for graph-structured data.
However, they have been recently shown to be vulnerable to topological attacks. To …

Spectral clustering in the Gaussian mixture block model

S Li, T Schramm - arXiv preprint arXiv:2305.00979, 2023 - arxiv.org
Gaussian mixture block models are distributions over graphs that strive to model modern
networks: to generate a graph from such a model, we associate each vertex $ i $ with a …

Sparse random hypergraphs: Non-backtracking spectra and community detection

L Stephan, Y Zhu - Information and Inference: A Journal of the …, 2024 - academic.oup.com
We consider the community detection problem in a sparse-uniform hypergraph, assuming
that is generated according to the Hypergraph Stochastic Block Model (HSBM). We prove …

Local statistics, semidefinite programming, and community detection

J Banks, S Mohanty, P Raghavendra - Proceedings of the 2021 ACM-SIAM …, 2021 - SIAM
We propose a new, efficiently solvable hierarchy of semidefinite programming relaxations for
inference problems. As test cases, we consider the problem of community detection in block …

Community detection in the sparse hypergraph stochastic block model

S Pal, Y Zhu - Random Structures & Algorithms, 2021 - Wiley Online Library
We consider the community detection problem in sparse random hypergraphs. Angelini et
al. in [6] conjectured the existence of a sharp threshold on model parameters for community …

Reaching kesten-stigum threshold in the stochastic block model under node corruptions

J Ding, T d'Orsi, Y Hua… - The Thirty Sixth Annual …, 2023 - proceedings.mlr.press
We study robust community detection in the context of node-corrupted stochastic block
model, where an adversary can arbitrarily modify all the edges incident to a fraction of the n …

Sparse hypergraph community detection thresholds in stochastic block model

E Zhang, D Suter, G Truong… - Advances in Neural …, 2022 - proceedings.neurips.cc
Community detection in random graphs or hypergraphs is an interesting fundamental
problem in statistics, machine learning and computer vision. When the hypergraphs are …

Robustness of spectral methods for community detection

L Stephan, L Massoulié - Conference on Learning Theory, 2019 - proceedings.mlr.press
The present work is concerned with community detection. Specifically, we consider a
random graph drawn according to the stochastic block model: its vertex set is partitioned into …