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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2030

Title: Median and percentile impact factors: A set of new indicators
Authors: ROUSSEAU, Ronald
Issue Date: 2005
Publisher: SPRINGER
Citation: SCIENTOMETRICS, 63(3). p. 431-441
Abstract: In a recent article Sombatsompop et al. (2004) proposed a new way of calculating a synchronous journal impact factor. Their proposal seems quite interesting and will be discussed in this note. Their index will be referred as the Median Impact Factor (MIF). I explain every step in detail so that readers with little mathematical background can understand and apply the procedure. Illustrations of the procedure are presented. Some attention is given to the estimation of the median cited age in case it is larger than ten year. I think the idea introduced by Sombatsompop, Markpin and Premkamolnetr has a great theoretical value as they are - to the best of my knowledge - the first ones to consider impact factors not using years as a basic ingredient, but an element of the actual form of the citation curve. The MIF is further generalized to the notion of a percentile impact factor.
Notes: KHBO Ind Sci & Technol, B-8400 Oostende, Belgium. LUC, Diepenbeek, Belgium.Rousseau, R, KHBO Ind Sci & Technol, Zeedijk 101, B-8400 Oostende, Belgium.ronald.rousseau@khbo.be
URI: http://hdl.handle.net/1942/2030
DOI: 10.1007/s11192-005-0223-1
ISI #: 000229005500002
ISSN: 0138-9130
Category: A1
Type: Journal Contribution
Validation: ecoom, 2006
Appears in Collections: Research publications

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