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English(EN) When does distribution shift break graph neural networks calibration?

新理论解释了分布偏移下的 GNN 校准问题

开发了一个新的理论框架来理解分布偏移如何影响图神经网络(GNN)的校准。该研究提供了 GNN 校准的闭式特征,确定了模型变得过于自信或过于不自信的特定条件。该分析还表明,单一的全局温度缩放策略在理论上对于同质分布偏移是最佳的,并引入了 STAC,一种新颖的无源、无标签校准方法。虽然实验表明在合成基准测试中校准有所改善,但在没有目标标签的情况下,真实世界的图数据集仍然对可靠校准构成挑战。 AI

影响 为 GNN 在真实、不断变化的数据环境中的可靠性提供了理论基础。

排序理由 详细介绍理论分析和新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新理论解释了分布偏移下的 GNN 校准问题

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详细介绍理论分析和新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Abderaouf Bahi ·

    分布偏移何时会破坏图神经网络的校准?

    arXiv:2607.10804v1 Announce Type: new Abstract: Graph neural networks (GNNs) are increasingly deployed in real-world applications where distribution shift is un-avoidable. However, how such shifts affect model calibration, defined as the agreement between predictive confidence an…