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http://hdl.handle.net/1942/15310
Title: | The Hirsch index of a shifted Lotka function and its relation with the impact factor | Authors: | EGGHE, Leo ROUSSEAU, Ronald |
Issue Date: | 2012 | Publisher: | WILEY-BLACKWELL | Source: | JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE AND TECHNOLOGY, 63 (5), p. 1048-1053 | Abstract: | Based on earlier results about the shifted Lotka function, we prove an implicit functional relation between the Hirsch index (h-index) and the total number of sources (T). It is shown that the corresponding function, h(T), is concavely increasing. Next, we construct an implicit relation between the h-index and the impact factor IF (an average number of items per source). The corresponding function h(IF) is increasing and we show that if the parameter C in the numerator of the shifted Lotka function is high, then the relation between the h-index and the impact factor is almost linear. | Notes: | Egghe, L (reprint author), Univ Hasselt UHasselt, B-3590 Diepenbeek, Belgium. Univ Antwerp, IBW, B-2000 Antwerp, Belgium. KHBO Assoc KU Leuven, Fac Engn Technol, B-8400 Oostende, Belgium. Katholieke Univ Leuven, Dept Math, B-3000 Heverlee, Belgium. leo.egghe@uhasselt.be; ronald.rousseau@khbo.be | Keywords: | Computer Science, Information Systems; Information Science & Library Science;bibliometrics | Document URI: | http://hdl.handle.net/1942/15310 | ISSN: | 1532-2882 | DOI: | 10.1002/asi.22617 | ISI #: | 000303500300013 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2014 |
Appears in Collections: | Research publications |
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