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中文摘要：
给出不完备信息系统中知识粒度的公理化定义，在此基础上提出一系列知识粒度度量方法．其中有不带参数的具体度量，也有带参数的一般性度量，并比较3个知识粒度的大小．另外，还给出不同粒度的4种组合形式．本文所给出的知识粒度度量方法对于在不完备信息系统中建立粒度计算有着重要的理论意义和应用价值．
英文摘要：
An axiomatic definition of knowledge granularity in incomplete information system is presented. A series of methods of measuring knowledge granularity are proposed, including concrete measurements lacking parameters and general measurements with parameters. The sizes of three knowledge granularities are compared. Furthermore, four combinatorial forms of different granularity formulas are described. The presented methods of measuring knowledge granularity have high theoretic and practical values to granularity computation building in information system.
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