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Tytuł: Relations of granular worlds

Autor:

Pedrycz, Witold (1953- ) ; Vukovich, George

Data wydania:

2002

Typ zasobu:

artykuł

Współtwórca:

Rutkowska, Danuta - ed. ; Kacprzyk, Janusz - ed. ; Zadeh, Lotfi A. - ed.

Podtytuł:

Computing with Words and Perceptions

Tytuł publikacji grupowej:

AMCS, volume 12 (2002)

Abstract:

In this study, we are concerned with a two-objective development of information granules completed on a basis of numeric data. The first goal of this design concerns revealing and representing a structure in a data set. As such it is very much oriented towards coping with the underlying ?relational? aspects of the experimental data. ; The second goal deals with a formation of a mapping between information granules constructed in two spaces (thus it concentrates on the ?directional? aspect of information granulation). The quality of the mapping is directly affected by the information granules over which it operates, so in essence we are interested in the granules that not only reflect the data but also contribute to the performance of such a mapping. ; The optimization of information granules is realized through a collaboration occurring at the level of the data and the mapping between the data sets. The operational facet of the problem is cast in the realm of fuzzy clustering. As the standard techniques of fuzzy clustering (including a well-known approach of FCM) are aimed exclusively at the first objective identified above, we augment them in order to accomplish sound mapping properties between the granules. ; This leads to a generalized version of the FCM (and any other clustering technique for this matter). We propose a generalized version of the objective function that includes an additional collaboration component to make the formed information granules in rapport with the mapping requirements (that comes with a directional component captured by the information granules). ; The additive form of the objective function with a modifiable component of collaborative activities makes it possible to express a suitable level of collaboration and to avoid a phenomenon of potential competition in the case of incompatible structures and the associated mapping. ; The logic-based type of the mapping (that invokes the use of fuzzy relational equations) comes as a consequence of the logic framework of information granules. A complete optimization method is provided and illustrated with several numeral studies.

Wydawca:

Zielona Góra: Uniwersytet Zielonogórski

Identyfikator zasobu:

oai:zbc.uz.zgora.pl:58941

Strony:

347-357

Źródło:

AMCS, volume 12, number 3 (2002) ; kliknij tutaj, żeby przejść

Jezyk:

eng

Prawa do dysponowania publikacją:

Biblioteka Uniwersytetu Zielonogórskiego

Temat i słowa kluczowe:

granular computing clustering models of collaborative computing fuzzy models collaboration and competition FCM granular modeling

Kolekcje, do których przypisany jest obiekt:

Data ostatniej modyfikacji:

2022-10-18

Data dodania obiektu:

2021-09-02

Liczba wyświetleń treści obiektu:

64

Wszystkie dostępne wersje tego obiektu:

https://zbc.uz.zgora.pl/publication/65737

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Nazwa wydania Data
Relations of granular worlds 2022-10-18

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