arXiv:2410.14733cs.LGcs.AI2024-10综述被引 3

系统梳理关系属性建模的KGE方法,助力知识图谱理解与推理。

Knowledge Graph Embeddings: A Comprehensive Survey on Capturing Relation Properties

  • 基于映射、张量分解与神经网络,捕捉关系的多对多等复杂特性。
  • 通过旋转操作和超球面空间,有效建模对称、反向、组合等关系模式。
  • 适合从事知识图谱表示学习、关系推理的研究者参考。

知识图谱嵌入(KGE)技术将符号化的知识图谱转化为数值表示,显著提升各类知识增强型深度学习模型的性能。与实体不同,关系承载着核心语义,其精准建模对KGE模型表现至关重要。本文首先分析关系中固有的复杂映射特性(如一对一、一对多、多对一、多对多),综述了基于关系感知映射、特定表示空间、张量分解及神经网络的模型。其次,针对对称性、反对称性、逆关系与复合关系等模式,回顾了改进张量分解、关系感知映射及旋转操作的模型。随后,考虑实体间的隐含层次结构,介绍引入辅助信息、基于双曲空间及极坐标系的模型。最后,针对稀疏与动态知识图谱等复杂场景,探讨未来方向:融合多模态信息、利用规则增强关系建模、构建动态环境下的关系特征捕捉模型。

原文摘要 · Abstract (English)

Knowledge Graph Embedding (KGE) techniques play a pivotal role in transforming symbolic Knowledge Graphs (KGs) into numerical representations, thereby enhancing various deep learning models for knowledge-augmented applications. Unlike entities, relations in KGs are the carriers of semantic meaning, and their accurate modeling is crucial for the performance of KGE models. Firstly, we address the complex mapping properties inherent in relations, such as one-to-one, one-to-many, many-to-one, and many-to-many mappings. We provide a comprehensive summary of relation-aware mapping-based models, models that utilize specific representation spaces, tensor decomposition-based models, and neural network-based models. Next, focusing on capturing various relation patterns like symmetry, asymmetry, inversion, and composition, we review models that employ modified tensor decomposition, those based on modified relation-aware mappings, and those that leverage rotation operations. Subsequently, considering the implicit hierarchical relations among entities, we introduce models that incorporate auxiliary information, models based on hyperbolic spaces, and those that utilize the polar coordinate system. Finally, in response to more complex scenarios such as sparse and dynamic KGs, this paper discusses potential future research directions. We explore innovative ideas such as integrating multimodal information into KGE, enhancing relation pattern modeling with rules, and developing models to capture relation characteristics in dynamic KGE settings.

知识图谱嵌入模型关系建模表示学习

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