The ascertainment of the core attribute set is the important process for discovering decision rules from mass data.

核属性集的确定是从海量数据中发现决策规则的重要步骤。

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The ascertainment of the core attribute set of large database is an important process of generating the classifying rules.

大型数据库中核属性集的确定是生成分类规则算法的重要步骤。

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Attribute reduction is one of the key problems in rough set theory, and determination of core attribute is the basis to solve the problem of attribute reduction.

属性约简是粗糙集理论研究的一个核心问题，而核属性的确定往往是决策表中属性约简的基础。

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In other words, the only positive attribute that forms the core of the GOP brand identity is the one that was LEAST important to voters.

FORBES: The Republican Party Has A Brand Problem, And We Have The Evidence To Prove It