Link-creating method in citation network analysis

• Project/Area Number: 21700266
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Library and information science/Humanistic social informatics
• Research Institution: The University of Tokyo
• Principal Investigator: KAJIKAWA Yuya 東京大学, 大学院・工学系研究科, 特任講師 (70401148)
• Project Period (FY): 2009 – 2011
• Project Status: Completed (Fiscal Year 2011)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
• Keywords: 情報図書館学 / 情報工学 / 図書館情報学 / リイクマイニング / 計量書誌学

Research Abstract

Citation network analysis has been used to comprehend an overview of academic research. Three methods, co-citation, bibliographic coupling, and direct citation, are known, but there are few studies to compare those methods with real data. This research quantitatively revealed characteristics of them. Citation networks were created with those three methods, and evaluated their relevance, effectiveness, and efficiency. A method giving weight on links are proposed and also analyzed. It is found that direct citation is superior to the others in detection of emerging research fields. Term distribution, interdisciplinarity, citation lag were also investigated.

Research Products

• [Journal Article] Measuring relatedness between communities in a citation network (2011)
  • Author(s): N. Shibata, Y. Kajikawa, and I. Sakata
  • Journal Title: Journal of the American Society for Information Science and Technology Volume: 62 Pages: 1360-1369
• [Journal Article] Detecting emerging research fronts in regenerative medicine by the citation network analysis of scientific publications (2011)
  • Author(s): N. Shibata, Y. Kajikawa, Y. Takeda, I. Sakata, and K. Matsushima
  • Journal Title: Technological Forecasting and Social Change Volume: 78 Pages: 274-282
• [Journal Article] Citation lag analysis in supply chain research (2011)
  • Author(s): H. Nakamura, S. Suzuki, H. Tomobe, Y. Kajikawa, and I. Sakata
  • Journal Title: Scientometrics Volume: 87 Pages: 221-232
• [Journal Article] Tracking modularity in citation networksparative study on clustering quality of citation network (2010)
  • Author(s): Y. Takeda and Y. Kajikawa
  • Journal Title: Scientometrics Volume: 83 Pages: 783-792
• [Journal Article] Computer-assisted roadmapping : A case study in energy research (2010)
  • Author(s): Y. Kajikawa, Y. Takeda, and K. Matsushima
  • Journal Title: Foresight Volume: 12 Pages: 4-15
• [Journal Article] リンクマイニングを用いた引用情報の活用 (2010)
  • Author(s): 梶川裕矢
  • Journal Title: 情報の科学と技術 Volume: 60 Pages: 224-229
• [Journal Article] Tracking modularity in citation networks (2010)
  • Author(s): Yoshiyuki Takeda, Yuya Kajikawa
  • Journal Title: Scientometrics Volume: 83 Pages: 783-792
  • Peer Reviewed
• [Journal Article] Tracking modularity in citation networks (2010)
  • Author(s): Y.Takeda, Y.Kajika
  • Journal Title: Scientometrics 1(印刷中(掲載確定))
  • Peer Reviewed
• [Journal Article] Computer-assisted roadmapping : A case study in energy research (2010)
  • Author(s): Y.Kajikawa, Y.Takeda, K.M
  • Journal Title: Foresight 1(印刷中(掲載確定))
  • Peer Reviewed
• [Presentation] Text and link mining : New tools for technology and innovation management (2011)
  • Author(s): Y. Kajikawa
  • Organizer: Portland International Conference on Management Engineering and Technology 2011(PICMET' 11)
  • Place of Presentation: Portland, U. S. A.
• [Presentation] Text and link mining : New tools for technology and innovation management (2011)
  • Author(s): Y.Kajikawa
  • Organizer: Portland International Conference on Management Engineering and Technology 2011 (PICMET'11)
  • Place of Presentation: Portland, U.S.A.
• [Presentation] Technological forecasting by citation network analysis (2010)
  • Author(s): Y. Kajikawa, H. Kashima, J. Mori, and N. Shibata
  • Organizer: 2010 Annual Meeting of Institute for Operations Research and Management Sciences(INFORMS2010)
  • Place of Presentation: Austin
• [Presentation] Technological forecasting by citation network analysis (2010)
  • Author(s): Y.Kajikawa, H.Kashima, J.Mori
  • Organizer: 2010 Annual Meeting of Institute for Operations Research and Management Sciences (INFORMS2010)
  • Place of Presentation: Austin (U.S.A.)
• [Presentation] Interdisciplinary Research Detection by Citation Indicators (2009)
  • Author(s): Y. Kajikawa and J. Mori
  • Organizer: IEEE International Conference on Industrial Engineering and Engineering Management 2009(IEEM2009)
  • Place of Presentation: Hong Kong
• [Presentation] Interdisciplinary research detection in Sustainability Science (2009)
  • Author(s): Y. Kajikawa, and J. Mori
  • Organizer: Tracking and evaluating interdisciplinary research : metrics and maps, workshop in conjunction with 12th International Conference on Scientometrics and Informetrics(ISSI2009)
  • Place of Presentation: Rio de Janeiro, Brazil
• [Presentation] Interdisciplinary Research Detection by Citation Indicators (2009)
  • Author(s): Y.Kajikawa, J.Mori
  • Organizer: IEEE International Conference on Industrial Engineering and Engineering Management 2009(IEEM2009)
  • Place of Presentation: Hong Kong, China