Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/15310
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dc.contributor.authorEGGHE, Leo-
dc.contributor.authorROUSSEAU, Ronald-
dc.date.accessioned2013-07-25T08:32:47Z-
dc.date.available2013-07-25T08:32:47Z-
dc.date.issued2012-
dc.identifier.citationJOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE AND TECHNOLOGY, 63 (5), p. 1048-1053-
dc.identifier.issn1532-2882-
dc.identifier.urihttp://hdl.handle.net/1942/15310-
dc.description.abstractBased 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.-
dc.description.sponsorshipThe authors thank the anonymous reviewers for helpful comments, leading to an improved publication. Work of R. Rousseau is supported by the NSFC grant No. 7101017006.-
dc.language.isoen-
dc.publisherWILEY-BLACKWELL-
dc.subject.otherComputer Science, Information Systems; Information Science & Library Science-
dc.subject.otherbibliometrics-
dc.titleThe Hirsch index of a shifted Lotka function and its relation with the impact factor-
dc.typeJournal Contribution-
dc.identifier.epage1053-
dc.identifier.issue5-
dc.identifier.spage1048-
dc.identifier.volume63-
local.format.pages6-
local.bibliographicCitation.jcatA1-
dc.description.notesEgghe, 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-
local.publisher.placeMALDEN-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.identifier.doi10.1002/asi.22617-
dc.identifier.isi000303500300013-
item.contributorEGGHE, Leo-
item.contributorROUSSEAU, Ronald-
item.fullcitationEGGHE, Leo & ROUSSEAU, Ronald (2012) The Hirsch index of a shifted Lotka function and its relation with the impact factor. In: JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE AND TECHNOLOGY, 63 (5), p. 1048-1053.-
item.accessRightsRestricted Access-
item.fulltextWith Fulltext-
item.validationecoom 2014-
crisitem.journal.issn1532-2882-
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