When Graph Contrastive Learning Backfires: Spectral Vulnerability and Defense in Recommendation

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Zongwei Wang, Min Gao, Junliang Yu, Shazia Sadiq, Hongzhi Yin, Ling Liu

Published: 09 Dec 2025, Last Modified: 21 Jan 2026ACM Transactions on Information SystemsEveryoneRevisionsCC BY-SA 4.0
External IDs:doi:10.1145/3779448