Using 'core documents' for detecting and labelling new emerging topics

W. Glänzel, Bart Thijs

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

The notion of 'core documents', first introduced in the context of co-citation analysis and later re-introduced for bibliographic coupling and extended to hybrid approaches, refers to the representation of the core of a document set according to given criteria. In the present study, core documents are used for the identification of new emerging topics. The proposed method proceeds from independent clustering of disciplines in different time windows. Cross-citations between core documents and clusters in different periods are used to detect new, exceptionally growing clusters or clusters with changing topics. Three paradigmatic types of new, emerging topics are distinguished. Methodology is illustrated using the example of four ISI subject categories selected from the life sciences, applied sciences and the social sciences.

Original languageEnglish
Pages (from-to)399-416
Number of pages18
JournalScientometrics
Volume91
Issue number2
DOIs
Publication statusPublished - May 2012

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Social sciences
Labeling
applied science
life sciences
social science
methodology

Keywords

  • Bibliographic coupling
  • Core documents
  • Emerging topics
  • Hybrid clustering
  • Text mining

ASJC Scopus subject areas

  • Computer Science Applications
  • Social Sciences(all)
  • Library and Information Sciences
  • Law

Cite this

Using 'core documents' for detecting and labelling new emerging topics. / Glänzel, W.; Thijs, Bart.

In: Scientometrics, Vol. 91, No. 2, 05.2012, p. 399-416.

Research output: Contribution to journalArticle

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