Computer and Modernization ›› 2024, Vol. 0 ›› Issue (11): 46-53.doi: 10.3969/j.issn.1006-2475.2024.11.008

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An LLM-based Method for Automatic Construction of Equipment Failure Knowledge Graphs

  

  1. (1. Research and Development Department, Nanjing NARI Intelligent Transport Technology Co., Ltd., Nanjing 211899, China; 
    2. School of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China)
  • Online:2024-11-29 Published:2024-12-09

Abstract: Fault operation and maintenance is an important research topic in the field of industrial production. The research of fault prediction, fault diagnosis, question-answering systems based on the fault knowledge graph have been greatly developed and applied. However, a high-quality fault operation and maintenance knowledge graph is the foundation for these methods. Considering that traditional knowledge graph construction techniques require data preprocessing, entity recognition, relationship extraction and entity alignment of raw data, to improve the efficiency of knowledge graphs, this paper focuses on using large language models for unsupervised knowledge extraction from fault operation and maintenance data to achieve automatic construction of large-scale fault operation and maintenance knowledge graphs. This method mainly includes two parts: 1) Two zero-shot Prompts oriented towards the construction of fault operation and maintenance knowledge graphs are proposed. These Prompts can guide large language models to generate conceptual layers and extract elemental knowledge for the fault operation and maintenance knowledge graph represented and output in RDF syntax; 2) A method based on large language models for constructing knowledge graphs is proposed. This method can guide large language models to extract knowledge from fault operation and maintenance data through zero-shot Prompts and complete the construction of large-scale fault operation and maintenance knowledge graphs iteratively. Experimental results show that the proposed method is scientific and effective.

Key words:  , prompt learning, knowledge extraction, knowledge graph construction, fault operation and maintenance, large language model

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