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中文摘要：
基于不确定性决策问题,提出一种D型概率决策形式背景,并针对D型概率决策形式背景定义＂△＂算子,获得概率形式概念,构造相应的概念格。又定义了D型概率决策形式背景的协调性,在协调的背景上进行规则获取。进一步,剔除冗余规则,简化规则集。最后,给出概率概念格生成及规则获取算法,以便于计算机的实现。
英文摘要：
Based on uncertainty decision problems,D-type probabilistic decision formal context was proposed.On this probabilistic decision formal context,a new operator＂△＂was defined,the probabilistic concepts were obtained and the corresponding concept lattice was constructed.Then we defined the consistence of D-type probability decision formal context and studied the rule acquisition on the consistent D-type probability decision formal context.Furthermore,by eliminating the redundant rules,the rules were simplified.Finally,the algorithms for generating the probability concept lattice and acquiring the decision rules were presented.
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