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Identifying Cross-Region Patent Collaboration Opportunities Using LDA and Decision Trees——Case Study of Universities from Guangdong and Wuhan |
Chen Hao(),Zhang Mengyi,Cheng Xiufeng |
School of Information Management, Central China Normal University, Wuhan 430079, China |
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Abstract [Objective] This paper proposes an algorithm to identify potential collaboration opportunities for patents with the LDA and decision tree models, aiming to enhance the cross-region innovation. [Methods] First, we retrieved 22 855 patents from the incoPat database, which were developed by higher education institutions from Guangdong Province and Wuhan City. Then, we used the LDA to extract and cluster patent topics. Third, we constructed decision tree to identify the best potential cooperative relations by adjusting the decision boundaries. Finally, we chose the optimal data mining strategy based on the effective size of the inventors’ network, which helps us identify and recommend cooperative relationships. [Results] We found 18 pairs of potential cross-regional partners from the top four patent categories in the data set, which was much better than the link prediction method. [Limitations] The coverage of patent data needs to be expanded. More research is also needed to study the impacts of the university and industry on the innovation ecology. [Conclusions] The proposed method could identify the potential cross region partners for patents and innovation.
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Received: 01 March 2021
Published: 23 November 2021
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Fund:National Natural Science Foundation of China(71974069) |
Corresponding Authors:
Chen Hao,ORCID:0000-0002-3460-2769
E-mail: 18071283828@163.com
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