Beyond smoothing: Unsupervised graph representation learning with edge heterophily discriminating

Y Liu, Y Zheng, D Zhang, VCS Lee, S Pan - Proceedings of the AAAI …, 2023 - ojs.aaai.org
Unsupervised graph representation learning (UGRL) has drawn increasing research
attention and achieved promising results in several graph analytic tasks. Relying on the …

Graph condensation for graph neural networks

W Jin, L Zhao, S Zhang, Y Liu, J Tang… - arXiv preprint arXiv …, 2021 - arxiv.org
Given the prevalence of large-scale graphs in real-world applications, the storage and time
for training neural models have raised increasing concerns. To alleviate the concerns, we …

Out-of-distribution generalization on graphs: A survey

H Li, X Wang, Z Zhang, W Zhu - arXiv preprint arXiv:2202.07987, 2022 - arxiv.org
Graph machine learning has been extensively studied in both academia and industry.
Although booming with a vast number of emerging methods and techniques, most of the …

Graph anomaly detection via multi-scale contrastive learning networks with augmented view

J Duan, S Wang, P Zhang, E Zhu, J Hu, H Jin… - Proceedings of the …, 2023 - ojs.aaai.org
Graph anomaly detection (GAD) is a vital task in graph-based machine learning and has
been widely applied in many real-world applications. The primary goal of GAD is to capture …

Empowering graph representation learning with test-time graph transformation

W Jin, T Zhao, J Ding, Y Liu, J Tang, N Shah - arXiv preprint arXiv …, 2022 - arxiv.org
As powerful tools for representation learning on graphs, graph neural networks (GNNs) have
facilitated various applications from drug discovery to recommender systems. Nevertheless …

Good-d: On unsupervised graph out-of-distribution detection

Y Liu, K Ding, H Liu, S Pan - … Conference on Web Search and Data …, 2023 - dl.acm.org
Most existing deep learning models are trained based on the closed-world assumption,
where the test data is assumed to be drawn iid from the same distribution as the training …

Kernel ridge regression-based graph dataset distillation

Z Xu, Y Chen, M Pan, H Chen, M Das, H Yang… - Proceedings of the 29th …, 2023 - dl.acm.org
The huge volume of emerging graph datasets has become a double-bladed sword for graph
machine learning. On the one hand, it empowers the success of a myriad of graph neural …

A survey of graph neural networks for social recommender systems

K Sharma, YC Lee, S Nambi, A Salian, S Shah… - ACM Computing …, 2024 - dl.acm.org
Social recommender systems (SocialRS) simultaneously leverage the user-to-item
interactions as well as the user-to-user social relations for the task of generating item …

Graph mixup with soft alignments

H Ling, Z Jiang, M Liu, S Ji… - … Conference on Machine …, 2023 - proceedings.mlr.press
We study graph data augmentation by mixup, which has been used successfully on images.
A key operation of mixup is to compute a convex combination of a pair of inputs. This …

Neighbor contrastive learning on learnable graph augmentation

X Shen, D Sun, S Pan, X Zhou, LT Yang - Proceedings of the AAAI …, 2023 - ojs.aaai.org
Recent years, graph contrastive learning (GCL), which aims to learn representations from
unlabeled graphs, has made great progress. However, the existing GCL methods mostly …