Knowledge graph-based entity alignment with unified representation for auditing

IF 4.6 2区 计算机科学 Q1 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE
Youhua Zhou, Xueming Yan, Han Huang, Zhifeng Hao, Haofeng Zhu, Fangqing Liu
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引用次数: 0

Abstract

Auditing is facilitated by audit knowledge graphs, while the biggest challenge in constructing an audit knowledge graph is entity alignment. Entity alignment involves linking entity pairs with the same real-world identity and aims to integrate heterogeneous knowledge across different knowledge graphs. However, most existing works do not effectively combine both attribute and relation representations into a unified framework for entity alignment, which is essential to link entities within an audit knowledge graph accurately. In this study, we propose a knowledge graph-based entity alignment approach with multi-attribute and weighted-relation fusion (KG-Marfia) for intelligent auditing. Our proposed KG-Marfia first extracts entity representations by addressing the imbalance of attributes and relations, and then designs a stacked graph convolutional network as an encoder to fuse attribute and relation information, learning unified representations for entities. In particular, we adopt an SVM-based classifier for the alignment task in intelligent auditing. Experiments conducted on two public datasets, as well as three audit datasets, demonstrate that our KG-Marfia outperforms state-of-the-art entity alignment methods.

基于知识图的实体对齐,具有统一的审计表示
审计知识图为审计提供了便利,而构建审计知识图的最大挑战是实体对齐。实体对齐涉及将具有相同现实身份的实体对连接起来,旨在跨不同知识图集成异构知识。然而,大多数现有的工作并没有有效地将属性和关系表示结合到一个统一的实体对齐框架中,而实体对齐对于准确地链接审计知识图中的实体至关重要。在这项研究中,我们提出了一种基于知识图的多属性和加权关系融合的实体对齐方法(KG-Marfia),用于智能审计。我们提出的KG-Marfia首先通过解决属性和关系的不平衡来提取实体表示,然后设计一个堆叠图卷积网络作为编码器来融合属性和关系信息,学习实体的统一表示。特别地,我们采用了基于svm的分类器来完成智能审计中的对齐任务。在两个公共数据集以及三个审计数据集上进行的实验表明,我们的KG-Marfia优于最先进的实体对齐方法。
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来源期刊
Complex & Intelligent Systems
Complex & Intelligent Systems COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE-
CiteScore
9.60
自引率
10.30%
发文量
297
期刊介绍: Complex & Intelligent Systems aims to provide a forum for presenting and discussing novel approaches, tools and techniques meant for attaining a cross-fertilization between the broad fields of complex systems, computational simulation, and intelligent analytics and visualization. The transdisciplinary research that the journal focuses on will expand the boundaries of our understanding by investigating the principles and processes that underlie many of the most profound problems facing society today.
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