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Introduction The journal impact factor, also generically named the Garfield Index and in its ISI/Thomson Reuters form as TRIF by Vanclay ( 2012 ), should ideally serve several purposes to the scientific community. It should

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Impact, and a journal impact factor People who use literature databases have two principal purposes. One, the original and still the primary function of citation indices and a core part of research practice, is to find

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Introduction One of the most commonly used and prominent citation-based indicators of the performance and significance of a scientific journal is the journal impact factor (JIF), which was introduced in 1955 by Garfield ( 1999

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Introduction As many have noted, the journal impact factor (JIF) may be the most widely used scientometric indicator. This indicator is computed for each year (Y) according to the following equation (Glänzel and Moed 2002

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Scientometrics
Authors:
Juan Miguel Campanario
,
Jesús Carretero
,
Vera Marangon
,
Antonio Molina
, and
Germán Ros

Introduction The journal impact factor (JIF) continues to be one of the most widely used scientometric indicators. It is computed for each year (Y) according to the following equation (Glänzel and Moed 2002 ): where Y1 and Y

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Vanclay's analysis of the standard impact factor In his article Vanclay ( 2012 ) provides a review of issues related to the so-called Garfield-Sher (or ISI) journal impact factor. He claims that the impact factor (in short: IF

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usually do not match with the number of citations used by Thomson Reuters to compute the Impact Factor. A research program on this topic could consist of an extensive evaluation of the differences between the Journal Impact Factor computed using citation

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Introduction In earlier studies, criticism on Journal Impact Factors was centered around a number of key problems when it comes to the famous Journal Impact Factors, produced annually by Thomson Reuters in their Journal

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Introduction: Background Soon after bibliometric measures based on citation appeared, and first of all the Journal Impact Factor (Garfield 1972 ), it was recognized that these measures were dependent to disciplinary effects

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Introduction J.K. Vanclay's 1 recent article Vanclay ( 2011 ) on the journal impact factor (JIF) is a new occasion to debate about the commander's statue in bibliometrics. The statue is still standing in spite of injuries from

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