An approach to capturing and reusing tacit design knowledge using relational learning for knowledge graphs |
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| Affiliation: | 1. Computer Engineering Department, University of Pernambuco, Recife, Brazil;2. Electrical Engineering Post-Graduation Program, Federal University of Pernambuco, Recife, Brazil;1. School of Mechanical and Electrical Engineering, Nanchang University, People''s Republic of China;2. AVIC Jiangxi Hongdu Aviation Industry Group Company Ltd, People''s Republic of China;3. College of Economics and Management, Nanchang Hangkong University, People''s Republic of China;1. Dept. Architectural Engineering, Dankook Univ, 152 Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do, 16890, South Korea;2. Dept. of Architectural Engineering, Namseoul, Univ, 91, Daehak-ro, Seonghwan-eup, Seobuk-gu, Cheonan-si, Chungcheongnam-do, 31020, South Korea;3. Dept. Architectural Engineering, Dankook Univ, 152 Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do, 16890, South Korea;1. National Engineering Research Center for Advanced Rolling and Intelligent Manufacturing, University of Science and Technology Beijing, Beijing 100083, China;2. Department of Electronics and Electrical Engineering, Liverpool John Moores University, Liverpool L3 3AF, U.K;3. The State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan 430074, China |
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| Abstract: | Tacit design knowledge plays an important role in the process of product design and is a valuable knowledge asset for enterprises. In terms of the characteristics of tacit rational design knowledge, this paper puts forward a scientific hypothesis and approach on capturing and reusing tacit rational design knowledge. The presented approach represents the observable design result facts of products using design knowledge graphs. A design issue-solving oriented knowledge graph model is presented, where directed relation edges represent design issues, and nodes stand for design solutions. When a new design solutions requirement needs to be searched, tacit design knowledge can be reused by relational learning for the constructed design knowledge graphs. In relational learning, the design knowledge graph is converted into a three-order tensor, where two modes are solution nodes, and the third mode holds the issue relations. Then, a tensor factorization approach is employed to calculate the latent features between design solutions for an issue relation. As a result, a score vector to represent the existence of issue-solution relations can be obtained. By sorting the scores in descending order, we may select the solution node with the highest score as the design solution to be searched. Finally, a stamping die design case study is provided. The case study shows that the proposed approach is feasible, and effective, and has better flexibility, scalability and efficiency than CBR methods. |
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| Keywords: | Design knowledge Tacit design knowledge Knowledge graph Relational learning Tensor Factorization |
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