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Q-measures for binary divided networks: Bridges between German and English institutes in publications of the Journal of Fluid Mechanics

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  • Lixin Chen

    (Dalian University of Technology
    Henan Normal University)

  • Ronald Rousseau

    (Industrial Sciences and Technology
    Hasselt University)

Abstract

Q-measures for binary divided networks were introduced in 2004. These measures can value the status of notes as linkage (or bridges) between two groups in a connected undirected network. We collected data from the Web of Science and used a computer programme in order to study Qmeasures for an England-Germany collaboration network in fluid mechanics. The result indicates that Cambridge University, Manchester University, Technische Universität Berlin, the Max Planck Institute, Stuttgart University and Forschungszentrum Karlsruhe play the most important roles as bridges between England and Germany. It is shown that having a high degree centrality and being a key node are important factors explaining the ranking of nodes in a network according to Q-value. It is observed that institutes with a high Q-value have, on average, a higher production than those with a lower Q-value.

Suggested Citation

  • Lixin Chen & Ronald Rousseau, 2008. "Q-measures for binary divided networks: Bridges between German and English institutes in publications of the Journal of Fluid Mechanics," Scientometrics, Springer;Akadémiai Kiadó, vol. 74(1), pages 57-69, January.
    • Handle: RePEc:spr:scient:v:74:y:2008:i:1:d:10.1007_s11192-008-0103-6
    DOI: 10.1007/s11192-008-0103-6
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    References listed on IDEAS

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    1. Ronald Rousseau & Lin Zhang, 2008. "Betweenness centrality and Q-measures in directed valued networks," Scientometrics, Springer;Akadémiai Kiadó, vol. 75(3), pages 575-590, June.
    2. Hildrun Kretschmer, 2004. "Author productivity and geodesic distance in bibliographic co-authorship networks, and visibility on the Web," Scientometrics, Springer;Akadémiai Kiadó, vol. 60(3), pages 409-420, August.
    3. Loet Leydesdorff, 2004. "Top-down decomposition of the Journal Citation Reportof the Social Science Citation Index: Graph- and factor-analytical approaches," Scientometrics, Springer;Akadémiai Kiadó, vol. 60(2), pages 159-180, June.
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    Cited by:

    1. Raf Guns & Yu Xian Liu & Dilruba Mahbuba, 2011. "Q-measures and betweenness centrality in a collaboration network: a case study of the field of informetrics," Scientometrics, Springer;Akadémiai Kiadó, vol. 87(1), pages 133-147, April.
    2. Rousseau, Ronald & Liu, Yuxian & Guns, Raf, 2013. "Mathematical properties of Q-measures," Journal of Informetrics, Elsevier, vol. 7(3), pages 737-745.
    3. Anselmo Garcia Cantú & Marcel Ausloos, 2009. "Organizational and dynamical aspects of a small network with two distinct communities: Neo-creationists vs. Evolution Defenders," Scientometrics, Springer;Akadémiai Kiadó, vol. 80(2), pages 457-472, August.

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