Search Results for author: Ruoxin Chen

Found 4 papers, 0 papers with code

Temporal Gradient Inversion Attacks with Robust Optimization

no code implementations13 Jun 2023 Bowen Li, Hanlin Gu, Ruoxin Chen, Jie Li, Chentao Wu, Na Ruan, Xueming Si, Lixin Fan

We investigate a Temporal Gradient Inversion Attack with a Robust Optimization framework, called TGIAs-RO, which recovers private data without any prior knowledge by leveraging multiple temporal gradients.

Federated Learning Privacy Preserving

On Understanding and Mitigating the Dimensional Collapse of Graph Contrastive Learning: a Non-Maximum Removal Approach

no code implementations24 Mar 2022 Jiawei Sun, Ruoxin Chen, Jie Li, Chentao Wu, Yue Ding, Junchi Yan

Graph Contrastive Learning (GCL) has shown promising performance in graph representation learning (GRL) without the supervision of manual annotations.

Contrastive Learning Graph Classification +1

A Framework of Randomized Selection Based Certified Defenses Against Data Poisoning Attacks

no code implementations18 Sep 2020 Ruoxin Chen, Jie Li, Chentao Wu, Bin Sheng, Ping Li

Random selection based defenses can achieve certified robustness by averaging the classifiers' predictions on the sub-datasets sampled from the training set.

Data Poisoning

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