Generative adversarial meta-learning knowledge graph completion for large-scale complex knowledge graphs

IF 2.3 3区 计算机科学 Q3 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Journal of Intelligent Information Systems Pub Date : 2024-05-28 DOI:10.1007/s10844-024-00860-1
Weiming Tong, Xu Chu, Zhongwei Li, Liguo Tan, Jinxiao Zhao, Feng Pan
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Abstract

In the study of large-scale complex knowledge graphs, due to the incompleteness of knowledge and the existence of low-frequency knowledge samples, existing knowledge graph complementation methods are often limited by the amount of data and ignore the complex semantic information. To solve this problem, this paper proposes a knowledge graph completion method CGAML based on the combination of Conditional Generative Adversarial Network and Meta-Learning, which utilizes the hierarchical background knowledge as the basis and introduces conditional variables in the Generative Adversarial Network to represent the required semantic information to constrain the semantic attributes of the generated knowledge. In addition, we design a meta-learning multi-task framework to embed Conditional Generative Adversarial Networks into the meta-learning process and propose local constraints and global gradient optimization strategies to quickly adapt to new tasks and improve computational efficiency. Empirically, our method demonstrates superior performance in realizing few-shot link prediction when compared to existing representative methods.

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大规模复杂知识图谱的生成对抗元学习知识图谱补全
在大规模复杂知识图谱的研究中,由于知识的不完整性和低频知识样本的存在,现有的知识图谱补全方法往往受限于数据量而忽略了复杂的语义信息。为解决这一问题,本文提出了一种基于条件生成对抗网络和元学习相结合的知识图谱补全方法 CGAML,该方法以分层背景知识为基础,在生成对抗网络中引入条件变量来表示所需的语义信息,从而约束生成知识的语义属性。此外,我们还设计了元学习多任务框架,将条件生成对抗网络嵌入元学习过程,并提出了局部约束和全局梯度优化策略,以快速适应新任务并提高计算效率。从经验上看,与现有的代表性方法相比,我们的方法在实现少量链接预测方面表现出了卓越的性能。
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来源期刊
Journal of Intelligent Information Systems
Journal of Intelligent Information Systems 工程技术-计算机:人工智能
CiteScore
7.20
自引率
11.80%
发文量
72
审稿时长
6-12 weeks
期刊介绍: The mission of the Journal of Intelligent Information Systems: Integrating Artifical Intelligence and Database Technologies is to foster and present research and development results focused on the integration of artificial intelligence and database technologies to create next generation information systems - Intelligent Information Systems. These new information systems embody knowledge that allows them to exhibit intelligent behavior, cooperate with users and other systems in problem solving, discovery, access, retrieval and manipulation of a wide variety of multimedia data and knowledge, and reason under uncertainty. Increasingly, knowledge-directed inference processes are being used to: discover knowledge from large data collections, provide cooperative support to users in complex query formulation and refinement, access, retrieve, store and manage large collections of multimedia data and knowledge, integrate information from multiple heterogeneous data and knowledge sources, and reason about information under uncertain conditions. Multimedia and hypermedia information systems now operate on a global scale over the Internet, and new tools and techniques are needed to manage these dynamic and evolving information spaces. The Journal of Intelligent Information Systems provides a forum wherein academics, researchers and practitioners may publish high-quality, original and state-of-the-art papers describing theoretical aspects, systems architectures, analysis and design tools and techniques, and implementation experiences in intelligent information systems. The categories of papers published by JIIS include: research papers, invited papters, meetings, workshop and conference annoucements and reports, survey and tutorial articles, and book reviews. Short articles describing open problems or their solutions are also welcome.
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