离散事件动态系统（DEDS）矩阵模型是一种逻辑运算与代数运算的混合系统。
Matrix model for discrete event dynamic simulation (DEDS) is a hybrid system with logical and algebraic components.
给出了数据约简方法，包括建立RS知识模型、RS决策逻辑表示、确定辨识矩阵、计算其核心、进行属性归约、规则形成等内容。
Information reduction method is given, in which includes RS knowledge modeling, RS decision logic expression, distinction matrix making, cores calculation, attributes reduction, rules generation, etc.
该模型采用三标度法间接地构造判断矩阵，简化了专家的判断难度，增强了判断矩阵的逻辑性。
The three scale method is cited to construct the judgement matrices indirectly, which simplifies expert's judgement degree of difficulty, and increases the logicality of judgement matrices.
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