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http://hdl.handle.net/1942/758
Title: | The core of scientific subjects : an exact definition using concetration theory and fuzzy set theory. | Authors: | EGGHE, Leo ROUSSEAU, Ronald |
Issue Date: | 2001 | Source: | Davis, M & Wilson, C.S. (Ed.) Proceedings of the 8th International Conference on Scientometrics and Informetrics: vol. 1. p. 147-156. | Abstract: | Determining the core of a field's literature. i.e. its 'most important' sources, has been and still is an important problem in bibliomehics. In this article an exact definition of a core of a bibliography or a conglomerate is presented. The main ingredients for this definition are: fuzzy set theory, Lorenz curves and concentration measures. If one prefers a strict delineation, the fuzzy core can easily be defuzzified. The method we propose does not depend on the subjective notion of 'importance'. It is, moreover, completely reproducible. The method and the resulting core is also independent of the mathematical function (Lotka, Zipf, Bradford, etc.) that may be used to describe the relation between the set of sources and that of items. | Keywords: | Core; concentration theory; fuzzy set theory | Document URI: | http://hdl.handle.net/1942/758 | ISI #: | 000175222300021 | Category: | C1 | Type: | Proceedings Paper | Validations: | ecoom 2003 |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
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the core .pdf | Non Peer-reviewed author version | 1 MB | Adobe PDF | View/Open |
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