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Published in: Soft Computing 8/2020

10-02-2020 | Foundations

Generic extended multigranular sets for mixed and incomplete information systems

Authors: Yenny Villuendas-Rey, Cornelio Yáñez-Márquez, José Luis Velázquez-Rodríguez

Published in: Soft Computing | Issue 8/2020

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Abstract

Granular computing is a widely used computational paradigm nowadays. Particularly, within the rough set theory, granular computing plays a key role. In this paper, we propose a generic approach of rough sets, the granular extended multigranular sets (GEMS) for dealing with both mixed and incomplete information systems. Not only our proposal does use the traditional optimistic and pessimistic granulations with respect to single attributes, but also we introduce granulations with respect to attribute sets, as well as two new ways of granulating: the optimistic + pessimistic granulation and the pessimistic + optimistic granulation. In addition, we have developed a particular case of the proposed GEMS: the multigranular maximum similarity rough sets (MMSRS). We have proved some of the properties of the MMSRS, and we tested its effectiveness with respect to other existing granular rough sets models. The experimental results show the flexibility and the capabilities of the proposed model, while handling mixed and incomplete information systems.

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Metadata
Title
Generic extended multigranular sets for mixed and incomplete information systems
Authors
Yenny Villuendas-Rey
Cornelio Yáñez-Márquez
José Luis Velázquez-Rodríguez
Publication date
10-02-2020
Publisher
Springer Berlin Heidelberg
Published in
Soft Computing / Issue 8/2020
Print ISSN: 1432-7643
Electronic ISSN: 1433-7479
DOI
https://doi.org/10.1007/s00500-020-04748-4

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