A new methodological approach to bibliographic coupling and its application to the national, regional and institutional level

W. Glänzel; H. Czerwon

doi:10.1007/bf02093621

Scientometrics

Volume/Issue:: Volume 37: Issue 2

A new methodological approach to bibliographic coupling and its application to the national, regional and institutional level

Authors:

W. Glänzel

W. Glänzel

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H. Czerwon

H. Czerwon

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Pages:: 195–221

Online Publication Date:: 13 Sep 2005

Publication Date:: 26 Oct 1996

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02093621

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Abstract

In an earlier study the authors have shown that bibliographic coupling techniques can be used to identify hot research topics. The methodology is based on appropriate thresholds for both number of related documentsand the strength of bibliographic links. Those papers are calledcore documents that have more than 9 links of at least the strength 0.25 according toSalton's measure, provided they are articles, notes or reviews. This choice resulted in a selection of nearly one per cent of all papers of the above types recorded in the 1992 annual cumulation of the SCI.Core documents proved important nodes in the network of documented science communication.In the present study, the set ofcore documents is analysed by journals, subfields and corporate addresses. The latter analysis is conducted on both national and regional-institutional level. First all countries which have published at least 20 core documents in 1992 are investigated in terms of their research profiles, their international collaboration patterns and their citation impact. Finally, those eight members of the European Union which have published at least 20 core documents in 1992 are analysed in respect of regional and institutional distribution of core documents.

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Scientometrics

Print ISSN:: 0138-9130

Online ISSN:: 1588-2861

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Scientometrics
Language	English
Size	B5
Year of Foundation	1978
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Issues per Year	12
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ISSN	0138-9130 (Print)
ISSN	1588-2861 (Online)