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CVTGAD: Simplified Transformer with Cross-View Attention for Unsupervised Graph-level Anomaly Detection
May 7, 2024, 4:41 a.m. | Jindong Li, Qianli Xing, Qi Wang, Yi Chang
cs.LG updates on arXiv.org arxiv.org
Abstract: Unsupervised graph-level anomaly detection (UGAD) has received remarkable performance in various critical disciplines, such as chemistry analysis and bioinformatics. Existing UGAD paradigms often adopt data augmentation techniques to construct multiple views, and then employ different strategies to obtain representations from different views for jointly conducting UGAD. However, most previous works only considered the relationship between nodes/graphs from a limited receptive field, resulting in some key structure patterns and feature information being neglected. In addition, most …
anomaly anomaly detection arxiv attention cs.ai cs.lg detection graph simplified transformer type unsupervised view
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