{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T19:23:06Z","timestamp":1771010586182,"version":"3.50.1"},"reference-count":50,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2022,4,14]],"date-time":"2022-04-14T00:00:00Z","timestamp":1649894400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["62103345"],"award-info":[{"award-number":["62103345"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["51875220"],"award-info":[{"award-number":["51875220"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Social Science Foundation in Fujian Province","award":["FJ2021B128"],"award-info":[{"award-number":["FJ2021B128"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>Patent data contain plenty of valuable information. Recently, the lack of innovative ideas has resulted in some enterprises encountering bottlenecks in product research and development (R&amp;D). Some enterprises point out that they do not have enough comprehension of product components. To improve efficiency of product R&amp;D, this paper introduces natural-language processing (NLP) technology, which includes part-of-speech (POS) tagging and subject\u2013action\u2013object (SAO) classification. Our strategy first extracts patent keywords from products, then applies a complex network to obtain core components based on structural holes and centrality of eigenvector algorism. Finally, we use the example of US shower patents to verify the effectiveness and feasibility of the methodology. As a result, this paper examines the acquisition of core components and how they can help enterprises and designers clarify their R&amp;D ideas and design priorities.<\/jats:p>","DOI":"10.3390\/e24040549","type":"journal-article","created":{"date-parts":[[2022,4,14]],"date-time":"2022-04-14T21:44:06Z","timestamp":1649972646000},"page":"549","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Research on Product Core Component Acquisition Based on Patent Semantic Network"],"prefix":"10.3390","volume":"24","author":[{"given":"Wenguang","family":"Lin","sequence":"first","affiliation":[{"name":"School of Mechanical and Automotive Engineering, Xiamen University of Technology, Xiamen 361024, China"}]},{"given":"Xiaodong","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Mechanical and Automotive Engineering, Xiamen University of Technology, Xiamen 361024, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0951-2734","authenticated-orcid":false,"given":"Renbin","family":"Xiao","sequence":"additional","affiliation":[{"name":"School of Artificial Intelligence and Automation, Huazhong University of Science & Technology, Wuhan 430074, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,4,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1449","DOI":"10.1007\/s00170-014-6358-6","article-title":"Analysis of mechanical systems with adaptable functions for the evaluation of functional coupling and component importance","volume":"76","author":"Yu","year":"2015","journal-title":"Int. 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