Hierarchical graph transformer with adaptive node sampling

Z Zhang, Q Liu, Q Hu, CK Lee - Advances in Neural …, 2022 - proceedings.neurips.cc
The Transformer architecture has achieved remarkable success in a number of domains
including natural language processing and computer vision. However, when it comes to …

Spectral feature augmentation for graph contrastive learning and beyond

Y Zhang, H Zhu, Z Song, P Koniusz… - Proceedings of the AAAI …, 2023 - ojs.aaai.org
Although augmentations (eg, perturbation of graph edges, image crops) boost the efficiency
of Contrastive Learning (CL), feature level augmentation is another plausible …

A survey of trustworthy federated learning: Issues, solutions, and challenges

Y Zhang, D Zeng, J Luo, X Fu, G Chen, Z Xu… - ACM Transactions on …, 2024 - dl.acm.org
Trustworthy artificial intelligence (TAI) has proven invaluable in curbing potential negative
repercussions tied to AI applications. Within the TAI spectrum, federated learning (FL) …

Optimal block-wise asymmetric graph construction for graph-based semi-supervised learning

Z Song, Y Zhang, I King - Advances in Neural Information …, 2024 - proceedings.neurips.cc
Graph-based semi-supervised learning (GSSL) serves as a powerful tool to model the
underlying manifold structures of samples in high-dimensional spaces. It involves two …

Contrastive cross-scale graph knowledge synergy

Y Zhang, Y Chen, Z Song, I King - Proceedings of the 29th ACM SIGKDD …, 2023 - dl.acm.org
Graph representation learning via Contrastive Learning (GCL) has drawn considerable
attention recently. Efforts are mainly focused on gathering more global information via …

Opengsl: A comprehensive benchmark for graph structure learning

Z Zhiyao, S Zhou, B Mao, X Zhou… - Advances in …, 2024 - proceedings.neurips.cc
Abstract Graph Neural Networks (GNNs) have emerged as the de facto standard for
representation learning on graphs, owing to their ability to effectively integrate graph …

Bipartite graph convolutional hashing for effective and efficient top-n search in hamming space

Y Chen, Y Fang, Y Zhang, I King - … of the ACM Web Conference 2023, 2023 - dl.acm.org
Searching on bipartite graphs is basal and versatile to many real-world Web applications,
eg, online recommendation, database retrieval, and query-document searching. Given a …

A survey of trustworthy federated learning with perspectives on security, robustness and privacy

Y Zhang, D Zeng, J Luo, Z Xu, I King - … of the ACM Web Conference 2023, 2023 - dl.acm.org
Trustworthy artificial intelligence (AI) technology has revolutionized daily life and greatly
benefited human society. Among various AI technologies, Federated Learning (FL) stands …

No change, no gain: empowering graph neural networks with expected model change maximization for active learning

Z Song, Y Zhang, I King - Advances in Neural Information …, 2024 - proceedings.neurips.cc
Abstract Graph Neural Networks (GNNs) are crucial for machine learning applications with
graph-structured data, but their success depends on sufficient labeled data. We present a …

WSFE: wasserstein sub-graph feature encoder for effective user segmentation in collaborative filtering

Y Chen, Y Zhang, M Yang, Z Song, C Ma… - Proceedings of the 46th …, 2023 - dl.acm.org
Maximizing the user-item engagement based on vectorized embeddings is a standard
procedure of recent recommender models. Despite the superior performance for item …