首先对信息系统的数据加工泛化，构造其二进制可辨矩阵。
Firstly, it deals with the data of information system and create the binary discernible matrix.
针对目前求核方法存在的问题，基于改进的二进制可辨矩阵及属性核计算方法，提出核属性的增量式更新方法。
An incremental updating approach to computing a core is presented based on the improved binary discernable matrix and the method for computing the core.
只需简单更改二进制可辨矩阵的结构，就可以计算动态变化的决策表的核属性，并通过实例验证了该方法的正确性和有效性。
Only modifying the structure of binary discernable matrix simply, it is easy to compute the core of a changeable decision table. The method is demonstrated t...
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