广义信息系统及其决策规则

Generalized Information Systems and Decision Rules

提出一类更广泛的信息系统,称其为广义信息系统.它包含了完备信息系统、不完备信息系统和多值信息系统.给出了广义信息系统集合近似的概念、方法和相关性质.讨论了广义信息决策系统的决策描述形式.这种决策描述形式易于转化为Sko lem标准型,可以直接应用于人工智能的归结推理.

A class of more general information systems, called generalized information systems, is presented. Generalized information systems contain complete information systems, incomplete information systems and multivalued information systems. A concept of set approximation and an extension of generalized information systems are given. The methods of computing rules and some properties about generalized information systems are also discussed. Furthermore, the describing forms of decision of generalized information decision systems are given. Since this kind of describing forms of decision can be easily transformed into the Skolem＇s standard form, they can be applied directly to resolution inference in artificial intelligence field.