你永远不会独自行走:一个可概括和非参数结构的学习框架
概括
本研究介绍了GNS,这是一种新的图形结构学习框架,可以提高图形神经网络的性能. 在不需要参数优化的情况下,GNS可以提高分布外样本的概括性.
科学领域:
- 机器学习 机器学习
- 人工智能的人工智能
- 图形理论 图形理论
背景情况:
- 图形结构学习 (GSL) 有助于图形神经网络 (GNN) 创建用于各种任务的节点嵌入.
- 现有的GLS模型通常依赖于i.i.d. 假设,在遇到分布外 (OOD) 数据时限制概括.
- 参数式GSL模型需要额外的优化参数,增加复杂性.
研究的目的:
- 提出一个可泛化和非参数结构学习框架,GNS,以解决当前GLS模型的局限性.
- 开发一种不依赖于i.i.d.的GLS方法. 假设并避免参数优化.
- 提高GLS在各种下游任务中的稳定性和适用性,包括那些具有OOD样本的任务.
主要方法:
- 介绍了GNS,这是一个用于可概括和非参数结构学习的新框架.
- 通过结合候选邻近分布来完善节点相似性.
- 采用适应值发现方法,灵感来自费舍尔标准,用于结构确定.
主要成果:
- 在OOD场景中,GNS表现优越.
- 该框架在一般分类和回归预测任务中取得了很好的结果.
- 在不依赖于i.i.d.的前提下,GNS有效地建立了理想的图形结构. 假设或参数优化. 假设或参数优化.
结论:
- 对于图形结构学习,GNS提供了一个强大的和可通用的解决方案.
- GNS的非参数方法提高了模型的适应性,减少了复杂性.
- 在具有挑战性的现实场景中,GNS显示了改善GNN性能的巨大潜力.
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