核心概念
Proposing a decoupled framework for training GNN models with enhanced privacy-utility trade-off using DP-APPR algorithms.
要約
The content introduces DPAR, a method for achieving node-level differential privacy in training Graph Neural Networks (GNNs). It addresses challenges in protecting sensitive information of graphs while maintaining model utility. The proposed approach decouples feature aggregation and message passing, utilizing DP-APPR algorithms to enhance privacy protection. Experimental results demonstrate superior accuracy compared to existing methods on various datasets.
Abstract:
- Graph Neural Networks (GNNs) have shown success in learning from graph data.
- Privacy concerns arise due to the sensitivity of graph information.
- DPAR proposes a decoupled framework using DP-APPR for enhanced privacy-utility trade-off.
Introduction:
- GNN models trained on graph data are vulnerable to privacy attacks.
- Differential privacy (DP) is essential for protecting sensitive training data.
- Challenges exist in achieving node-level DP for GNNs due to the nature of graph data.
Contributions:
- DPAR introduces a novel approach using DP-APPR algorithms for improved privacy protection.
- The method decouples feature aggregation and message passing, enhancing the privacy-utility trade-off.
Data Extraction:
- "For each node, all direct and multi-hop neighbors participate in gradient calculation."
- "DP-SGD algorithm introduces calibrated noise into gradients during training."
統計
全ての直接および多ホップ隣人が各ノードの勾配計算に参加します。
DP-SGDアルゴリズムはトレーニング中に勾配にキャリブレーションされたノイズを導入します。
引用
"Graph Neural Networks have shown superior performance in mining graph structured data."
"DP ensures a bounded risk for an adversary to deduce from a model whether a record was used in its training."