JACIII Vol.25 No.3 pp. 301-309
doi: 10.20965/jaciii.2021.p0301


Analyzing Two Approaches in Interdisciplinary Research: Individual and Collaborative

Masanori Fujita*1,†, Takato Okudo*2, Takao Terano*3, and Hiromi Nagane*4

*1The National Graduate Institute for Policy Studies
7-22-1 Roppongi, Minato-ku, Tokyo 106-8677, Japan

*2The Graduate University for Advanced Studies (SOKENDAI)
2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan

*3Chiba University of Commerce
1-3-1 Konodai, Ichikawa-City, Chiba 272-8512, Japan

*4Chiba University
1-33 Yayoi-cho, Inageku, Chiba-City, Chiba 263-8522, Japan

Corresponding author

December 22, 2020
January 29, 2021
May 20, 2021
interdisciplinary research, collaborative research, research grant, KAKENHI, network analysis

We propose a method for measuring interdisciplinary research by dividing it into two approaches: interdisciplinary research conducted by individual researchers and interdisciplinary research involving the collaboration of multiple researchers. Using this method, a database of “KAKENHI,” which is a grant-in-aid for scientific research provided by the Japan Society for the Promotion of Science (JSPS), is employed to measure interdisciplinary research from the perspective of the two research approaches, and the features of interdisciplinary research in KAKENHI are analyzed. The analysis results indicate the following: (1) the number of collaborative interdisciplinary research projects is larger than the number of individual interdisciplinary research projects, (2) the number of interdisciplinary research projects for each field and for each combination of fields differs among fields, and (3) the relationship between the numbers of interdisciplinary research projects in the two fields is asymmetric with regard to the main- and sub-fields of interdisciplinary research. As the proposed measurement method is capable of quantitatively measuring interdisciplinarity between fields and their research organizations, it will be useful for decision-makers in science and technology policy and strategy.

Relationship between Main-Fields and Sub-Fields of individual interdisciplinary networks (IIDNs) and collaborative interdisciplinary networks (CIDNs) in Scientific Research (A) of KAKENHI

Relationship between Main-Fields and Sub-Fields of individual interdisciplinary networks (IIDNs) and collaborative interdisciplinary networks (CIDNs) in Scientific Research (A) of KAKENHI

Cite this article as:
M. Fujita, T. Okudo, T. Terano, and H. Nagane, “Analyzing Two Approaches in Interdisciplinary Research: Individual and Collaborative,” J. Adv. Comput. Intell. Intell. Inform., Vol.25 No.3, pp. 301-309, 2021.
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