Comparison of Interdisciplinarity among Domains: From the Viewpoint of the Diversity of Researchers’ Fields of Specialization

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  • TAKEI Chizuko
    Graduate School of Library, Information and Media Studies, University of Tsukuba
  • YOSHIKANE Fuyuki
    Faculty of Library, Information and Media Science, University of Tsukuba
  • ITSUMURA Hiroshi
    Faculty of Library, Information and Media Science, University of Tsukuba

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  • 学際性の分野間比較：研究者の専門分野の多様性に着目して
  • ガクサイセイ ノ ブンヤ カン ヒカク : ケンキュウシャ ノ センモン ブンヤ ノ タヨウセイ ニ チャクモク シテ

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Abstract

<p>We analyze the interdisciplinarity of domains from the two points of view focusing on the diversity of researchers’ fields of specialization: (1) the variety of researchers’ fields of specialization and (2) the dispersion of the number of researchers among fields of specialization. The target domains, which we compare in this study, are informatics, environmental science, mathematics, biomedical engineering, history, and management studies. As for (1), we investigate the number of different fields of specialization for not only the targeted domain as a whole but also each researcher and article. As for (2), we evaluate balance in the dispersion with Simpson’s D and Shannon’s H’. The results of comparison depend on indices and aggregation levels.</p>

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