arXiv:2606.16509cs.AI2026-06

通过构建模型图捕捉全局结构,提升知识图谱链接预测性能。

Model Graph Inductive Learning for Knowledge Graph Completion

  • 基于实体关系结构相似性聚类构建模型图
  • 在模型图上用GNN学习全局嵌入,显著提升预测精度
  • 适合需要泛化能力的增量式知识图谱任务

知识图谱中的链接预测高度依赖实体与关系的嵌入质量。然而,现有方法仅聚合每个实体的局部邻域信息,忽视了知识图谱的全局结构,限制了对高层次结构模式的捕捉,影响预测的准确性与泛化能力。为此,我们提出模型图归纳学习(MGIL)框架:通过基于实体入/出边关系结构或实体类型相似性进行聚类,构建模型图;在该模型图上应用图神经网络(GNN),生成捕捉全局结构的嵌入表示;这些高质量嵌入作为原始图的初始特征,替代随机初始化,使模型获得更稳定、更具表现力的表示。在标准及最新提出的归纳性基准上的大量实验表明,MGIL在归纳链接预测任务中达到当前最优或具有竞争力的性能,验证了其在多样化图结构下的有效性。

原文摘要 · Abstract (English)

Link prediction in knowledge graphs fundamentally depends on the quality of learned embeddings for entities and relations. However, most existing methods derive these embeddings by aggregating only the local neighborhood of each entity, neglecting the global structure of the knowledge graph. This limited view prevents models from capturing higher-level structural patterns that are essential for accurate and generalizable link prediction. To address these limitations, we introduce Model Graph Inductive Learning (\textbf{MGIL}), a framework that constructs a model graph by clustering entities based on the similarity of their incoming and outgoing relational structures or their entity types. A GNN is then applied to this model graph to produce embeddings that capture the global view of the knowledge graph. These embeddings subsequently serve as high-quality initial features %embeddings for the original knowledge graph, replacing random initialization and leading to more stable and expressive representations. Extensive experiments on standard and recently proposed inductive benchmarks demonstrate that MGIL achieves state-of-the-art or highly competitive performance in inductive link prediction, highlighting its effectiveness across diverse graph settings.

知识图谱图神经网络链接预测

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