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  • HGNN
  • GCN
  • GAT
  • GraphSAGE
  • GAE
  • Cross-links Matter for Link Prediction: Rethinking the Debiased GNN from a Data Perspective

Cross-links

本文解决了基于图神经网络(GNN)的链接预测中存在的偏差问题,特别关注节点簇间的偏差,即所谓的交叉链接。研究发现现有的GNN模型在处理同一簇内部链接和交叉链接时存在严重的数据偏差。为了解决这些问题,论文提出了一种双GNN框架,可以有效减少偏差,并在端到端的方式下提升模型效用。具体方法是生成去偏置的节点嵌入,并将其与原始GNN嵌入融合,通过增强的监督信号和动态训练策略来实现。 这篇文章提醒浅薄的我从本质的角度看待问题,之前的很多工作都是想着怎么从模型的角度提高精度,但是某些具体问题还是得抓住本质,就像本文从监督增强的角度考虑,取得了很好的效果。美中不足,还需要不少理论支支撑来证明方法的有效性。

智能合约

  • Improving Smart Contract Security with Contrastive Learning-based Vulnerability Detection

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