This paper critically analyzes reduct construction methods at two levels. At a high level,one can abstract common alities from the existing algorithms,and classify them into three basic groups based on the underlying control structures.At alow level,by adopting di® erent heuristics or¯ tness functions for attributes election,one is able to derive most of the existing algorithms

14. OnReductConstructionAlgorithms - 8 pages.pdf

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