2006•Computer Technology and DevelopmentRequires access

An Algorithm of Attribute Reduction of Decisive Table Based on Attribute Importance

Yang Cheng-fu, Lan Shu

Abstract

Proposed an algorithm of attribute reduction based on attribute importance of rough set.With all the condition attribute as the initial reduction,this algorithm takes importance of attribute as the iterative criterion to find reduction.The time complexity of the algorithm is analyzed and an example is investigated to verify it.The results show this algorithm can find the reduction effectively.

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Available abstract

Key concepts: Computer science, Reduction (mathematics), Rough set, Attribute domain, Algorithm, Set (abstract data type), Decision table, Table (database)