Research on Spurious-Negative Sample Augmentation-Based Quality Evaluation Method for Cybersecurity Knowledge Graph

Bin Chen, Hongyi Li and Ze Shi ()
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Bin Chen: School of Cyber Science and Technology, Beihang University, Beijing 100191, China
Hongyi Li: School of Cyber Science and Technology, Beihang University, Beijing 100191, China
Ze Shi: School of Cyber Science and Technology, Beihang University, Beijing 100191, China

Mathematics, 2024, vol. 13, issue 1, 1-20

Abstract: As the forms of cyber threats become increasingly severe, cybersecurity knowledge graphs (KGs) have become essential tools for understanding and mitigating these threats. However, the quality of the KG is critical to its effectiveness in cybersecurity applications. In this paper, we propose a spurious-negative sample augmentation-based quality evaluation method for cybersecurity KGs (SNAQE) that includes two key modules: the multi-scale spurious-negative triple detection module and the adaptive mixup based on the attention mechanism module. The multi-scale spurious-negative triple detection module classifies the sampled negative triples into spurious-negative and true-negative triples. Subsequently, the attention mechanism-based adaptive mixup module selects appropriate mixup targets for each spurious-negative triple, constructing partially correct triples and achieving more precise sample generation in the entity embedding space to assist in training the KG quality evaluation models. Through extensive experimental validation, the SNAQE model not only performs excellently in general-domain KG quality evaluation but also achieves outstanding outcomes in the cybersecurity KGs, significantly enhancing the accuracy and F1 score of the model, with the best F1 score of 0.969 achieved on the FB15K dataset.

Keywords: cybersecurity; quality evaluation; spurious-negative triple; knowledge graphs (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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