Engineering domain knowledge graph construction method and system

By constructing a knowledge graph in the engineering field, the problems of time-consuming engineering technical compliance inspections and delayed contract risk identification have been solved, and the automated mapping of technical parameters, contract terms and engineering entities has been achieved, thereby improving inspection efficiency and accuracy.

CN120633804AInactive Publication Date: 2025-09-12CHINA STATE CONSTR OVERSEAS DEV CO LTD
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Patent Information

Application Number
CN202511141102.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-15
Publication Date
2025-09-12
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Engineering technical compliance checks are time-consuming and contract risk identification is delayed. Existing technologies lack effective information correlation methods, resulting in low efficiency and high error rates.

Method used

Build a knowledge graph in the engineering field, obtain engineering specification documents and contract documents, extract technical elements and responsibility elements, establish technical knowledge subgraphs, contract knowledge subgraphs and engineering entity subgraphs, and form cross-domain association relationships to achieve automated mapping of technical parameters, contract terms and engineering entities.

Benefits of technology

The efficiency of engineering technical compliance inspection and contract risk identification has been greatly improved, avoiding the low efficiency and high error rate of traditional manual management, and ensuring the timeliness and accuracy of information.

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Abstract

The invention relates to an engineering field knowledge graph construction method and system. The engineering field knowledge graph construction method comprises the following steps: S1, obtaining an engineering specification document and a contract document; s2, extracting technical elements from the engineering specification document, and constructing a technical knowledge sub-graph which comprises mutually associated technical parameter nodes; s3, responsibility elements are extracted from the contract document, a contract knowledge sub-graph is constructed, and the contract knowledge sub-graph comprises mutually associated contract term nodes; according to the method, information islands are broken, three-layer knowledge graph fusion is carried out on the project specification document, the contract document and the project decomposition structure, three-dimensional penetration association of technical parameters-contract terms-project entities is established, automatic mapping of the technical parameters, the contract terms and the project entities is realized, and the project quality is improved. The efficiency of engineering technology compliance check and contract risk identification is greatly improved, and low efficiency and high error rate of traditional manual management are avoided.
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