A management knowledge graph approach for critical infrastructure protection: Ontology design, information extraction and relation prediction

Jiarui Chen, Yiqin Lu, Yang Zhang, Fang Huang and Jiancheng Qin

International Journal of Critical Infrastructure Protection, 2023, vol. 43, issue C

Abstract: Critical Infrastructures (CI) underpin the basic functioning of society and the economy. Proper governance of CI security management remains a crucial challenge. This study aims to construct a knowledge graph for modeling CI protection. While the previous research has focused on threat intelligence modeling and open knowledge bases, they miss considering the defense side. Accordingly, we propose a knowledge graph for critical infrastructure protection, CIPKG, that extends the management ontology to include the defense side. It addresses the cross-industry and cross-time information gaps that occur in the process of CI protection management, making it more comprehensive in structure than the existing knowledge graph. We employ simplified Structured Threat Information Expression as attack ontology and design a new ontology for the defense side, which could combine with the existing threat ontology to form the CI protection knowledge graph. To dynamically extract information from emerging knowledge, we employ a Bi-directional Long Short-Term Memory and Conditional Random Field model with pre-trained cybersecurity domain-specific Bidirectional Encoder Representations from Transformers to recognize the named entities from CI regulations and standards. To associate the threat part with the management portion of the knowledge graph, we adopt the Knowledge Graph Bidirectional Encoder Representations from Transformer model to capture the semantic information and predict the relationship between threat and management. After information extraction and relation prediction, we build a knowledge graph with 529,360 nodes and about 3,335,000 edges.

Keywords: Knowledge graph; Critical infrastructure; Ontology; Named entity recognition; Relation prediction (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ijocip:v:43:y:2023:i:c:s1874548223000471

DOI: 10.1016/j.ijcip.2023.100634

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