Del 127 - Encyclopedia of Mathematics and its Applications

Aggregation Functions

Inbunden, Engelska, 2009

AvMichel Grabisch,Jean-Luc Marichal,Radko Mesiar,Endre Pap,Michel (Universite de Paris I) Grabisch,Jean-Luc (Universite du Luxembourg) Marichal,Radko (Slovenska Technicka Univerzita) Mesiar,Serbia) Pap, Endre (University of Novi Sad

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Aggregation is the process of combining several numerical values into a single representative value, and an aggregation function performs this operation. These functions arise wherever aggregating information is important: applied and pure mathematics (probability, statistics, decision theory, functional equations), operations research, computer science, and many applied fields (economics and finance, pattern recognition and image processing, data fusion, etc.). This is a comprehensive, rigorous and self-contained exposition of aggregation functions. Classes of aggregation functions covered include triangular norms and conorms, copulas, means and averages, and those based on nonadditive integrals. The properties of each method, as well as their interpretation and analysis, are studied in depth, together with construction methods and practical identification methods. Special attention is given to the nature of scales on which values to be aggregated are defined (ordinal, interval, ratio, bipolar). It is an ideal introduction for graduate students and a unique resource for researchers.

Produktinformation

Utgivningsdatum2009-07-09
Mått164 x 240 x 32 mm
Vikt870 g
FormatInbunden
SpråkEngelska
SerieEncyclopedia of Mathematics and its Applications
Antal sidor482
FörlagCambridge University Press
ISBN9780521519267

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Michel Grabisch is a Professor of Computer Sciences at Université Paris I, Panthéon-Sorbonne. Jean-Luc Marichal is an Associate Professor in the Mathematics Research Unit at the University of Luxembourg. Radko Mesiar is Chairman of the Department of Mathematics and Descriptive Geometry at the Slovak University of Technology, Bratislava. Endre Pap is a Professor in the Department of Mathematics and Informatics at the University of Novi Sad, Serbia.

Preface; 1. Introduction; 2. Properties for aggregation; 3. Conjunctive and disjunctive aggregation functions; 4. Means and averages; 5. Aggregation functions based on nonadditive integrals; 6. Construction methods; 7. Aggregation on specific scale types; 8. Aggregation on ordinal scales; 9. Aggregation on bipolar scales; 10. Behavioral analysis of aggregation functions; 11. Identification of aggregation functions; A. Aggregation of infinitely many arguments; B. Examples and applications; List of symbols; Bibliography; Index.