This is the "Bibliometrics" page of the "Citation Searching & Bibliometrics" guide.
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This guide helps people learn about the citation searching process and the citation indexes available to the world of scholarly publishing.
Last Updated: Feb 19, 2015 URL: Print Guide RSS Updates

Bibliometrics Print Page

What is Bibliometrics?

The branch of library science concerned with the application of mathematical and statistical analysis to bibliography; the statistical analysis of books, articles, or other publications.  (see definition in Oxford English Dictionary Online)

Bibliometric measures are data about publications, or citation frequency.

Scientometrics is the branch of information science concerned with the application of bibliometrics to the study of the spread of scientific ideas; the bibliometric analysis of science.  (see definition in Oxford English Dictionary Online)

Who should care about Bibliometrics?

Students, faculty, and researchers alike have good reason to learn more about Bibliometrics.

Bibliometrics can affect

    -Journal collections
    -Research Funding
    -Expertise status in the field
    -Finding others in the field/subject area (using citation searching)

Questions such as these can be answered using Bibliometrics:

"What are the best journals in the field of Electrical Engineering?"

"Who is citing my articles? How many times have I been cited?"

"How do I know this article is important?"

"In which journal should I publish?"


Journal impact tools and measures


Journal Citation Reports (Thomson Reuters)

Impact Factor

  - [# of citations in a year]/[total # of articles published in 2 previous years]

  - Eugene Garfield, 1950s

Article Influence (uses Thomson Reuters citation data; in Journal Citation Reports or at

Eigenfactor (uses Thomson Reuters citation data; in Journal Citation Reports or at

Scopus (Elsevier)

Journal Analyzer (uses Elsevier citation data; in Scopus)

SNIP (uses Elsevier citation data; in Scopus or at

SJR (uses Elsevier citation data; in Scopus or at

SNIP and SJR explained

SNIP & SJR @ by Elsevier


h index (used in many citation trackers including Web of Science, Google Scholar, Scopus)

Jorge Hirsche, 2005

Based on author's years active as well as number of citations of specific articles

Example: h score of 10 = at least 10 articles cited at least 10 times each

g index (used in Publish or Perish, Microsoft Academic Search, elsewhere)

Leo Egghe, 2006

Adds weight to heavily-cited articles in h-index metric


Graphic representations of data

The Scopus database helps you quickly display graphics representing the breakdown of the types of scholarly publishing being done by professors and researchers at Stevens.

Special Thanks

Special thanks to Robin Kear, Reference & Instruction Librarian at the University of Pittsburgh, for her generous permission to use her ideas & material to help me construct parts of this guide.


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