用概率信息系统表示对象与属性值之间的概率关系。
A probabilistic information system was used to express the uncertainty relationship between objects and attributes.
讨论了一种概率信息系统用于表示对象与属性值之间的关系存在不确定性的信息。
Probability information systems, which are used to represent the uncertainty information between objects and attributes, are discussed.
使用粗糙集和证据合成理论中的方法，给出了获取概率信息系统的扩展决策规则集的一般方法。
Based on rough sets and evidence combining theory, a general method of extracting the extension decision rules of probability information system is given.
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