Bibliometrics (also known as Research Performance Measurement) is a collection of methods to perform statistical analyses of publications
- scientific productivity (number of publications)
- scientific impact (number of citations)
Bibliometric analyses are used
- to find co-publication and co-citation patterns of authors, subject areas, organisations, countries
- to analyse media - which journals do scientists read and cite, in which journals do they publish their work
- to find research trends
- complementary to peer review
- as a tool for expert advisors
- in activity follow-ups
- as decision support
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Tools for simple bibliometric analyses are available in
Scopus (Citation Tracker, h-index, PatentCites, Affiliation Idenfier)
Web of Science (Create Citation Report, Citation Map, Analyze, h-index)
Google Scholar bibliometric analyses can be made using the free software Publish or Perish (g-index, h-index)
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To make extensive bibliometric analyses data from one or more sources is needed. Various (not yet standardised) bibliometric indicators are used.
The result of the bibliometric analyses are sometimes presented as ranking lists.
Bibliometric knowledge is needed in a critical evaluation of external bibliometric analyses.
The Journal Citation Reports (Thomson Reuters) measures the impact factor of scientific journals. Scopus Journal Analyzer evaluates journals and let you compare up to 10 journals. Total citations, articles published and trends are presented in graphs and in table format. SCImago Journal Rank calculates a journal rank by weighting citations from journals according to how highly cited the journal is itself (similar to Google´s Page Rank). SCImago Journal Rank and SNIP (Source Normalized Impact per Paper) are included in Scopus Journal Analyzer.
Eigenfactor is a non-commercial research project sponsored by The Bergstrom lab, Dept. of Biology, Univ. of Washington, USA. Eigenfactor ranks not only scientific journals in natural and social sciences but also popular science magazines and dissertations. Scientific journals are considered to be influential if they are cited often by other influential journals (cf. PageRank by Google).
See also Literature and web resources: Bibliometrics > General