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2008•Journal of the Qiannan Normal College for NationalitiesRequires access

On the Technology of Dynamic Reduct

Zhihong Zhong

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Abstract

The utilization of the standard Rough Set method to produce reducts is to calculate all the Rough Sets based directly on the original Decision Table,and then use these reducts to calculate Decision Rule Sets to categorize the unknown objects.This method is not always sufficient for the unknown objects,because it doesn't take it into account that the attribute of the Rough Set can probably be in disorder and irregular.Dynamic reducts are from those with the most frequency of emergence in the sub-sets of large quantities of random samples of the Decision Table.From this sense,the utilization of dynamic reducts to categorize the unknown objects is most stable and reliable.

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What this paper is about

The utilization of the standard Rough Set method to produce reducts is to calculate all the Rough Sets based directly on the original Decision Table,and then use these reducts to calculate Decision Rule Sets to categorize the unknown objects.This method is not always sufficient for the unknown objects,because it doesn't take it into account that the attribute of the Rough Set can probably be in disorder and irregular.Dynamic reducts are from those with the most frequency of emergence in the sub-sets of large quantities of random samples of the Decision Table.From this sense,the utilization of dynamic reducts to categorize the unknown objects is most stable and reliable.

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Available abstract

The utilization of the standard Rough Set method to produce reducts is to calculate all the Rough Sets based directly on the original Decision Table,and then use these reducts to calculate Decision Rule Sets to categorize the unknown objects.This method is not always sufficient for the unknown objects,because it doesn't take it into account that the attribute of the Rough Set can probably be in disorder and irregular.Dynamic reducts are from those with the most frequency of emergence in the sub-sets of large quantities of random samples of the Decision Table.From this sense,the utilization of dynamic reducts to categorize the unknown objects is most stable and reliable.

Key concepts: Reduct, Rough set, Decision table, Categorization, Data mining, Decision rule, Mathematics, Decision system

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