基于张量表达的多视图归因图形集群与光滑结构的多视图
概括
本研究引入了一种新的张量表示框架,用于多视图归因图集群,增强稳定性和性能. 提出的方法,MV_AGC,克服了图形自动编码器的局限性,以提高集群精度.
科学领域:
- 图表表示学习学习学习图表表示学习.
- 机器学习 机器学习
- 数据挖掘是一种数据挖掘.
背景情况:
- 多视图归因图表集群显示了数据增强的承诺.
- 多层图形自编码器 (GAE) 遭受信息聚合偏差,特别是在扰乱数据.
- 现有的方法很容易从随机视图构造中产生偏差.
研究的目的:
- 提出一种基于张量表示的框架 (MV_AGC),用于避免偏差的多视图归因图集群.
- 为了增强节点表示学习和集群稳定性.
- 为了提高归因图的整体聚类性能.
主要方法:
- 开发了一个基于张量产品的高阶图注意网络 (GAT),具有属性融合和语义一致性的结构约束.
- 将综合属性增强和平滑约束 (SC) 整合到一个高阶图的注意力自编码器中.
- 引入了一个集群目标功能引导的自我优化模块,以解决集群更新期间的性能下降.
主要成果:
- MV_AGC有效地消除了重建图形结构中的不稳定性.
- 该方法学习了更紧和更强大的节点表示.
- 理论分析表明,拟议的张量-产物注意力机制的优越性超过经典的GAT.
- 在六个基准数据集上实现了最先进的集群性能.
结论:
- 拟议的张量表示框架为多视图归因图集群提供了一种稳定有效的方法.
- MV_AGC在节点表示学习中显示出更好的通用性和表达性.
- 自优化模块进一步提高了最终集群精度,超过了现有的方法.
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