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JGURD: joint gradient update relational direction-enhanced method for knowledge graph completion

delete2025-04-18
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OA
AI
L
Lianhong Ding
M
Mengxiao Li
S
Shengchang Gao
J
Juntao Li
袁瑞萍 封面图
袁瑞萍 (Ruiping Yuan)
J
Jianye Yu *
DOI:10.7717/peerj-cs.2808delete
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摘要

摘要

En 中文
关系方向在多关系知识图谱(KGs)中扮演着重要角色。当前知识图谱补全(KGC)方法存在对关系相关性信息利用不足的问题。为解决这一问题,本文提出了一种新型KGC框架,即JGURD,该框架采用编码器-解码器结构实现基于关系方向信息的联合梯度更新。它结合了图卷积网络(GCNs)与知识图谱嵌入方法,定义了实体和关系的联合梯度更新机制。为将实体信息融入关系的更新中,记录了三元组得分函数的前向传播梯度,并将实体梯度信息融合到关系的更新中。为充分利用关系方向信息,基于关系对的拓扑模式构建了关系相关性图(RCG)。我们在RCG上设计了结合GCN和多层注意力机制的多关系编码器,以全面捕捉RCG的局部和全局结构。为增强JGURD的可解释性和适应性,采用了三种不同的解码器。实验结果表明,JGURD优于第二名HHAN-KGC,在FB15k数据集上的Hits@3和MRR指标分别提升了6.8%和8.9%。
Keyword:
Knowledge graph completion
Graph neural networks
Joint gradient update
Link prediction
Relational direction
Encoder-decoder
Multi-relational graph

期刊

PeerJ Computer Science 封面图
PeerJ Computer Science
IF:
2.5
论文数:
3.4K
被引数:
6.9K

机构

B
Beijing Wuzi University
学者数:
498
论文数: 473
被引数: 374
S
Shandong First Med Univ
学者数:
1.8K
论文数: 733
被引数: 180
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