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中文摘要：
针对具有多粒度标记的不协调决策系统的知识表示和知识获取问题展开研究．首先，介绍多粒度标记信息系统的概念，在多粒度标记信息系统中定义不可分辨关系．然后，给出由不同粒度层面下信息粒度的表示及其相互关系，并进一步定义在不同粒度层面下集合的下、上近似概念，并讨论它们性质．最后，介绍不协调多粒度标记决策系统中8种协调性和最优粒度概念，并讨论它们之间的相互关系．
英文摘要：
To study knowledge representation and knowledge acquisition in inconsistent decision systems with multi-granular labels, the concept of multi-granular labeled information systems is firstly introduced. Indiscernibility relations on the universe of discourse in a multi-granular labeled information system are defined. Representations of equivalence classes with different levels of granulation as well as their relationships are also explored. Lower and upper approximations of sets with different levels of granulation are further defined and their properties are presented. Finally, concepts of eight types of consistence and optimal granularity with various meanings in inconsistent multi-granular labeled decision systems are proposed and their relationships are examined.
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