COSTA: covariance-preserving feature augmentation for graph contrastive learning

Y Zhang, H Zhu, Z Song, P Koniusz, I King - Proceedings of the 28th …, 2022 - dl.acm.org
Graph contrastive learning (GCL) improves graph representation learning, leading to SOTA
on various downstream tasks. The graph augmentation step is a vital but scarcely studied …

A survey on graph representation learning methods

S Khoshraftar, A An - ACM Transactions on Intelligent Systems and …, 2024 - dl.acm.org
Graph representation learning has been a very active research area in recent years. The
goal of graph representation learning is to generate graph representation vectors that …

EASE: Unsupervised discriminant subspace learning for transductive few-shot learning

H Zhu, P Koniusz - … of the IEEE/CVF conference on …, 2022 - openaccess.thecvf.com
Few-shot learning (FSL) has received a lot of attention due to its remarkable ability to adapt
to novel classes. Although many techniques have been proposed for FSL, they mostly focus …

Mitigating the popularity bias of graph collaborative filtering: A dimensional collapse perspective

Y Zhang, H Zhu, Z Song, P Koniusz… - Advances in Neural …, 2023 - proceedings.neurips.cc
Abstract Graph-based Collaborative Filtering (GCF) is widely used in personalized
recommendation systems. However, GCF suffers from a fundamental problem where …

Contrastive laplacian eigenmaps

H Zhu, K Sun, P Koniusz - Advances in neural information …, 2021 - proceedings.neurips.cc
Graph contrastive learning attracts/disperses node representations for similar/dissimilar
node pairs under some notion of similarity. It may be combined with a low-dimensional …

Tensor representations for action recognition

P Koniusz, L Wang, A Cherian - IEEE Transactions on Pattern …, 2021 - ieeexplore.ieee.org
Human actions in video sequences are characterized by the complex interplay between
spatial features and their temporal dynamics. In this paper, we propose novel tensor …

Graph-adaptive rectified linear unit for graph neural networks

Y Zhang, H Zhu, Z Meng, P Koniusz, I King - Proceedings of the ACM …, 2022 - dl.acm.org
Graph Neural Networks (GNNs) have achieved remarkable success by extending traditional
convolution to learning on non-Euclidean data. The key to the GNNs is adopting the neural …

Generalized laplacian eigenmaps

H Zhu, P Koniusz - Advances in Neural Information …, 2022 - proceedings.neurips.cc
Graph contrastive learning attracts/disperses node representations for similar/dissimilar
node pairs under some notion of similarity. It may be combined with a low-dimensional …

Meta-learning for multi-label few-shot classification

C Simon, P Koniusz, M Harandi - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
Even with the luxury of having abundant data, multi-label classification is widely known to be
a challenging task to address. This work targets the problem of multi-label meta-learning …

[HTML][HTML] Role-aware random walk for network embedding

H Zhang, G Kou, Y Peng, B Zhang - Information Sciences, 2024 - Elsevier
Network embedding is a fundamental part of many network analysis tasks, including node
classification and link prediction. The existing random walk-based embedding methods aim …