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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/987

Title: TOP-curves
Authors: EGGHE, Leo
ROUSSEAU, Ronald
Rousseau, Sandra
Keywords: Core
TOP-curves
TIP-curves
Inequality
Generalized Lorenz curves
Poverty curves
Top dominance partial order
H-index
Issue Date: 2007
Publisher: Wiley Periodicals, Inc.
Citation: JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE AND TECHNOLOGY, 58(6). p. 777-785
Abstract: Several characteristics of classical Lorenz curves make them unsuitable for the study of a group of top-performers. TOP-curves, defined as a kind of mirror image of TIP-curves used in poverty studies, are shown to possess the properties necessary for adequate empirical ranking of various data arrays, based on the properties of the highest performers (the core). TOP-curves and essential TOP-curves, also introduced in this article, simultaneously represent the incidence, intensity and inequality among the top. It is shown that TOP-dominance partial order, introduced in this article, is stronger than Lorenz dominance order. In this way, this article contributes to the study of cores, a central issue in applied informetrics.
URI: http://hdl.handle.net/1942/987
DOI: 10.1002/asi.20539
ISI #: 000246379800002
ISSN: 1532-2882
Category: A1
Type: Journal Contribution
Validation: ecoom, 2008
Appears in Collections: Research publications

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