A generalization of near set model

Authors:
Lidong Wang;Xiaodong Liu;Xiaojuan Tian
Affiliations:
Department of Mathematics, Dalian Maritime University, Dalian, People's Republic of China;Department of Mathematics, Dalian Maritime University, Dalian, People's Republic of China;Department of Mathematics, Dalian Maritime University, Dalian, People's Republic of China
Venue:
RSKT'11 Proceedings of the 6th international conference on Rough sets and knowledge technology
Year:
2011

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Abstract

In the classical near set model, the probe functions described by a single assertion (feature) subset, which are established through a single granulation from the view of granular computing. In this work, we aim to extend Peters's near set model to a multi-granulation near set model, in which the probe functions are some expression of the set of assertions (features) logically compounded under logic operation "or ". Moreover, near lower and upper approximations are defined by using the neighborhoods based on AFS description logics.