| MECHANICAL ENGINEERING |
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Knowledge extraction and knowledge base construction method from industrial software packages |
| WANG Liping1,2, ZHANG Chao2, CAI Enlei2, SHI Huijie2, WANG Dong1 |
1. Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;
2. School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China |
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Abstract Industrial software is a key force supporting the development of domestic small and medium-sized enterprises. Industrial software packages contain a large amount of knowledge related to manufacturing processes, but little of the knowledge embedded in these software packages has been extracted and put into a knowledge base. This paper presents a knowledge extraction model that combines neural networks and natural language processing. The model includes text representation, entity recognition, and relationship extraction. The extracted entities and relationships are modeled on a knowledge graph, while related concepts in the software are defined through ontology modeling. The ontology model concepts are mapped to graph data to improve data retrieval and modeling capabilities and the data can be stored in the knowledge base with long term. The results show that this method can build an industrial software knowledge base which will play an important role in integrating manufacturing knowledge.
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| Keywords
industry software
neural network
entity recognition
relation extraction
knowledge graph
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Issue Date: 26 April 2022
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2022,
Vol. 62
