（Received April 18, 2022）日本大学生産工学部研究報告Ａ2022年 12 月 第 55 巻 第 ２ 号Abstract─ 9 ─＊ Department of Industrial Engineering and Management, College of Industrial Technology, Nihon UniversityThis study focuses on the specialized fields of academic papers and attempts to classify them by comparing innovation strategies in research activities by country/region. In the analysis, the paper takes big data technology papers as its subject matter and develops a discussion by showing the fields of application and application of big data technology by country/region. Innovation in business administration can be viewed as an exploration of synergy effects through new combinations of existing knowledge and existing knowledge. In this paper, we apply the new framework of “management of both effects” as a classification method for the combination of existing knowledge. The “ambidexterity management” consists of two strategies: “exploration of knowledge,” which seeks to combine new knowledge with different fields, and “exploitation of knowledge,” which utilizes knowledge within a field or with a high affinity for it. The analysis in this paper consists of two steps. First, individual innovation capabilities are extracted based on the concept of “intrapersonal diversity” in the innovation strategy of Schumpeterian competition. Then, by building up those individual capabilities by region and country, the innovation capabilities by region, country, and other organizations are extracted. The analysis data is based on a three-year database of academic papers (2016-2018) from the top 10 countries in terms of the number of papers on big data technologies. The data are processed using the co-authorship analysis method proposed by the authors and the newly presented cross-disciplinary collaboration display method. The analysis results allow us to classify the styles of cross-disciplinary fusion in big data research into three patterns.Keywords: Innovation, Knowledge Exploration, Intrapersonal Diversity, Research Capacity Assessment, Authorship AnalysisThis study examines and discusses each country’s research promotion strategies from the perspective of inducing innovation by integrating different fields.March (1991) defined “Exploration of knowledge” as the process of recognizing distant knowledge (new knowledge) and linking it with existing knowledge. It is the process of accumulating seeds of innovation (already known) for future consideration by the organization. From our perspective, analyzing “interdisciplinary collaborations” helps measure the “exploration of knowledge” of innovation strategies.1)This study analyzes the “intrapersonal diversity” of Schumpeterian competition, which is an innovation strategy in three major types of interorganizational competition by Barney (1986)2). Intrapersonal diversity is evaluated as an organization’s competitiveness by accumulating an individual’s intrapersonal diversity. This study is aimed at researchers, as they are considered to have high intrapersonal Articles1. IntroductionA New Measure of Schumpeterian Competition: An Authorship Analysis Using Academic Literature DatabasesYuji MIZUKAMI＊in Assessing Research Competence
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